cubic unit cell is the smallest repeated unit which have all angles equal to 90 and all have edge lengths equal
It is the type of the Unit cell which is having all angles equal to 90 and all sides equal to each other
it's is a unit cell with cubic structure
Ranjana has two unknown solutions X and Y
What is the term for the belief that one's own culture is superior to other
cultures?
O A. Cultural behavior
O B. Cultural competence
C. Cultural relativism
D. Cultural absolutism
Cultural absolutism is the term for the belief that one's own culture is superior to other cultures.
What is cultural absolutism?Cultural absolutism is one of the perspectives which is common in anthropology, but it can also be applied to non-scientific thoughts also. It assumes that there is a set of universal values which are objectively valid in every situation.
Today, pure cultural absolutism is seen as a harmful effect of ethnocentrism focusing on the belief that one's own culture is superior and the practice of holding other's cultures to the standard of our own. However, purely relativist anthropologists have also been critiqued for going too far, by denying any common humanity and being too lenient towards morally questionable practices. Contemporary approaches try to find a balance between the universal values, such as human dignity, and a more inclusive and relativistic side of culture.
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calculate the amount in moles of a gas which occupies 250cm3 at s.t.p
Answer: 0.01 moles (I am guessing)
Explanation:
Firstly, cm3 and ml are equal to one another, therefore 250cm3 can also be written as 250 ml. I Googled and found that ideally, one mole of gas will occupy a volume of 22.4 L (22,400 ml) at s.t.p. 250 ml out of 22,400 ml is 0.01 rounded, therefore I assume that is the answer. About 0.01 mole occupies 250 cm3 at s.t.p.
pls answer this question its important
Answer:
11) B
Explanation:
Energy in the amount of 420 J is added to a 35 g sample of water at a temperature of 10°C. What is the final temperature of the water?
The final temperature of the water, T2 = 38.57°C
Temperature can be defined as a measure of the degree of hotness or coldness of a physical object (body). Thus, it is measured with a thermometer and its units are degree Celsius (°C), Fahrenheit (°F) and Kelvin (°K).
A calorie refers to the amount of heat required to raise the temperature of a gram of water by one (1) degree Celsius (1°C).
Given the following data:
Quantity of energy = 420JMass = 35 gramsInitial temperature, T1 = 10°CThe specific heat capacity of water is 4.2 J/g°C.
To find the final temperature of the water (T2):
Mathematically, the quantity of energy (heat capacity) is given by the formula;
[tex]Q = mcdt[/tex]
Where;
Q represents the heat capacity or quantity of heat.M represents the mass of an object.C represents the specific heat capacity of water.dt represents the change in temperature.Substituting the values into the formula, we have;
[tex]420 = 3.5 \; * \; 4.2 \; * \; dt[/tex]
[tex]420 = 14.7 \; * \; dt\\\\dt = \frac{420}{14.7}[/tex]
Change in temperature, dt = 28.57°C
Next, we would solve for the final temperature by using this formula;
[tex]dt = T2 - T1[/tex]
[tex]28.57 = T_{2} - 10\\\\T_{2} = 28.57 \; + \; 10\\\\T_{2} = 38.57[/tex]
Final temperature, T2 = 38.57°C
Therefore, the final temperature of the water, T2 is equal to 38.57°C
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A sample of kerosene has a mass of 36.4g. It’s volume is 45.6mL. What is the density of kerosene?
Answer:
Density = 0.8 g/cm³Explanation:
The density of an object can be found using the formula
[tex]Density(\rho) = \frac{mass}{volume} [/tex]From the question
mass of kerosene = 36.4 g
volume of kerosene = 45.6 mL
To find the density substitute the values into the above formula and solve
We have
[tex]Density = \frac{36.4}{45.6} [/tex]= 0.7982
We have the final answer as
Density = 0.8 g/cm³Hope this helps you
explain using diagrams how potassium forms the compound potassium flouride when it reacts with flourine
Answer:
The answer to your question is given below.
Explanation:
Potassium (K) has 19 electrons with electronic configuration of 2, 8, 8, 1.
Fluorine (F) has 9 electrons with electronic configuration of 2, 7.
Fluorine needs 1 electron to complete it's octet configuration.
Hence, potassium (K), will lose 1 electron to fluorine (F) to form potassium ion (K+) with electronic configuration of 2, 8, 8. The fluorine atom (F) will receive the 1 electron from potassium to form the fluoride ion (F-) with electronic configuration of 2, 8.
**** Please see attached photo for further details.
water and development are substitute of one another.
explanation with it, please
Describe what happens to the particles when a substance:
1. Melts
2. Freezes
3. Boils
4. Condenses
What would you use to measure the height of a sample?
Question 2 options:
ruler
beaker
graduated cylinder
electronic balance
Answer:
please clear ur ques with image
it's unable to be understood
...
Is there any Chemical including in BIOGESIC?
Can you tell me if it was included?
Answer:
This combination product contains 2 medications, acetaminophen and an antihistamine. Acetaminophen helps to reduce fever and/or mild to moderate pain (such as headache, backache, aches/pains due to muscle strain, cold, or flu).
Explanation:
it will help you. may be
Answer:
looooser
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10th grade chemistry pls help!!
Express each answer to the correct number of significant figures.
Answer:
410-52=358
3.054+1.16=4.214
Chemistry deals with all the following except: Select one: a. The composition of matter. b. The properties of matter. c. Our eating habits. d. The conversion of matter between various states.
Answer:
C. Our eating habits
Hope that helps.
Why is carbon said to provide a "backbone" in many molecules? (1 point)
Carbon atoms have long narrow shapes, allowing many other atoms to attach to them
Carbon atoms can form chains and branches with each other, and other atoms can attach to these.
Carbon atoms have full shells of electrons, allowing electrical signals to pass through them easily
Carbon atoms have half-full shells of electrons, allowing electrical signals to pass through them easily.
The correct answer is; Carbon atoms can form chains and branches with each other, and other atoms can attach to these.
Organic chemistry is regarded as the chemistry of carbon compounds and carbon atoms are known to catenate.
Organic chemistry is the branch of chemistry that studies carbon compounds. There are thousands of organic compounds in existence.
The common thread that joins all these organic compounds is that they all contain a long or branched chain of carbon atoms linked to each other. This ability of carbon atoms to self-link forming long chains or branches or macrocyclic compounds is called catenation.
The long or branched chain of carbon is therefore the "back bone" or main framework of the compound.
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Answer:
(Question 1) Metallic bonds are responsible for many properties of metals, such as conductivity. Why is this possible?
(Answer) The bonds can shift because valence electrons are held loosely and move freely.
(Question 2) Between which types of elements do ionic bonds occur, and how do electrons act within the bond?
(Answer) metals and nonmetals, electrons transferred
(Question 3) Which kind of bond would occur between sodium (Na, Group IA) and chlorine (Cl, Group VIIA)?
(Answer) ionic
(Question 4) Why is carbon said to provide a “backbone” in many molecules?
(Answer) Carbon atoms can form chains and branches with each other, and other atoms can attach to these.
(Question 5) Which option describes the structure of the electron shells in a neutral carbon atom?
(Answer) The inner shell is complete with two electrons. The outer shell is incomplete with four electrons.
Explanation:
i just finished the quick check UwU
When an object falls toward the ground due to gravity, what type of energy becomes kinetic energy?
Answer:
potential energy (gravitational)
Explanation:
Potential energy is the energy that is stored in an object due to its position relative to some zero position. An object possesses gravitational potential energy if it is positioned at a height above (or below) the zero height. If we think of the ground as the zero height, the height of the object is coming down from a positive height. Wherever it is relative to the zero height, it is stored at that height, meaning that it is potential energy at that particular height. When it moves to the ground, it becomes kinetic, by gravitational means.
Answer:
Potential
Explanation:
Which statement is true?
A.
Molar concentration is proportional to the temperature of a reaction.
B
Molar concentration is proportional to the change in the number of moles in a reaction.
c.
Molar concentration is proportional to the partial pressure of a gaseous system.
D
Molar concentration is proportional to the volume of a system.
Answer:
I'm not really sure. but I think is D
Answer: B, Molar concentration is proportional to the change in the number of moles in a reaction
Explanation: took the test on plato
Which of the following apply to organic compounds. Select all that apply. Organic compounds cannot be synthesized. Organic compounds contain carbon. All organic compounds are products of living things. Organic compounds can be synthesized. All compounds that contain carbon are organic.
Answer:
Organic Compounds CAN BE synthesized
Organic Compounds contain Carbon
What is the specific latent heat of fusion of ice if it takes 863 kJ to convert 4.6 kg of ice into water at 0 C?
Answer:
The correct answer is 187.7 J/Jg.
Explanation:
The formula for finding the specific heat of fusion is,
Specific heat of fusion = Q/m
Here Q is the heat energy added, signified in kJ, and m is the mass of the object in kg.
Based on the given information, the heat energy added or Q is 869 kJ and the mass of the ice is 4.6 Kg
Now putting the values in the formula we get,
Specific heat of fusion = Q/m
Specific heat of fusion = 863 kJ / 4.6 Kg = 187.7 J/Kg
How does a balanced chemical equation represent the conservation of
matter in a chemical reaction?
1. There are more atoms in the reactants than in the products.
2. The type of matter in the products is different from the type of matter in
the reactants.
3. The number of atoms of each element in the reactants equals the number
of atoms of each element in the products.
4. There are fewer atoms in the reactants than in the products
Answer:
The correct answer would be 3. The number of atoms of each element in the reactants equals the number of atoms of each element in the products.
Explanation:
The law of conservation of matter states that energy cannot be created or destroyed, only transfered. Thus, option 3 is correct.
What is the difference between a strong base and a weak base?
A. A strong base is always more concentrated than a weak base,
B. A strong base has a lower Ki than a weak base.
C. A strong base produces more ions in solution than a weak base,
D. A strong base is not as conductive as a weak base.
Answer:
C
Explanation:
A cylinder containing 14.71 L of helium gas at a pressure of 169.1 atm is to be used to fill toy balloons to a pressure of 1.086 atm. Each inflated balloon has a volume of 2.414 L. What is the maximum number of balloons that can be inflated? Report your answer to 1 decimal place. (Remember that 14.71 L of helium at 1.086 atm will remain in the exhausted (empty) cylinder)
Answer:
The number of balloons is 948.8.
Explanation:
The number of balloons can be calculated as follows:
[tex] N = \frac{V_{f}}{V_{T}} [/tex]
Where:
[tex]V_{f}[/tex]: is the volume at 1.086 atm
[tex]V_{T}[/tex]: is the balloon volume = 2.414 L
The volume at 1.086 atm can be found using Boyle's law:
[tex] P_{i}V_{i} = P_{f}V_{f} [/tex]
[tex] V_{f} = \frac{P_{i}V_{i}}{P_{f}} = \frac{169.1 atm*14.71 L}{1.086 atm} = 2290.5 L [/tex]
Now, the number of balloons is:
[tex] N = \frac{V_{f}}{V_{T}} = \frac{2290.5 L}{2.414 L} = 948.8 [/tex]
Therefore, the number of balloons is 948.8.
I hope it helps you!
Which phrase correctly describes the molecular structure within a molecule?(1 point)
A the location of atoms, groups, or ions relative to one another and the number, type, and location of covalent bonds
B long, repeating chains of molecules
C the smallest fundamental unit of a compound that participates in reactions, represented by a bonded group of atoms
D the basic unit of a chemical element
Answer: A the location of atoms, groups, or ions relative to one another and the number, type, and location of covalent bonds
Explanation: I just took the assessment and in my notebook molecular structure has a definition that is literally answer A. Also I got it right lol.
why is an element considered a pure substance
Answer:
Because they cannot be separated into more then one type of substance.
Explanation:
Answer:
Elements are made of only one kind of atom. The particles can be a single atom or a molecule made of only one kind of atom. There is no physical change that can separate elements into more than one kind of substance. This makes an element a pure substance.An element is made up of only one type of atom. An element cannot be broken down into a simpler form.
clearly distinguish between science and technology
Answer:
The words science and technology can and often are used interchangeably. But the goal of science is the pursuit of knowledge for its own sake while the goal of technology is to create products that solve problems and improve human life. Simply put, technology is the practical application of science.
Explanation:
Check the following images
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A characteristic is a feature that helps to identify something. How would you describe the characteristics of a good movie or book?
A characteristic for a movie or book could be how good or bad the plot/story is. You can even get more into detail for movies. Such as, "How was the acting? When the character was sad did you really feel their expressions?" Or so on like that haha. For books, it could be about it's pattern of writing or such, "alliterations, stressed patterens etc. Hope I helped lol.
plz answer fast Which is not a crystalline allotrope of carbon? Select one: a. soot b. diamond c. graphite
Answer:
graphite
Explanation:
Graphite is opaque, a very good lubricant, a good conductor of electricity, and a thermal insulator. Allotropes of carbon are not limited to diamond and graphite, but also include buckyballs (fullerenes), amorphous carbon, glassy carbon, carbon nanofoam, nanotubes, and others.
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es with hydrogen
atoms
Fill the valencies with
C
+
() C c-c=c
(ii)
(
c
C - C = C
/
c
(ii)
c
- C
با
-
1
c - c
С — С
co
Answer:
all u have to do is inserting hydrogen atoms where it's possible, if carbon is not bonded to any element, then it can have 4 hydrogens. for the first chain, the first carbon can have 3 hydrogen atoms, the second carbon 1 hydrogen atom only the third also 1 hydrogen since there is double bond and the 4th 2 hydrogen atoms
Answer:
a rat and a cat can have sex
xD
Explanation:
Consider the hypothetical chemical reaction represented by the equation 3 A + 2 B → A 3B 2 Which of the following is a correct interpretation of this equation? i. 3 grams of A react with 2 grams of B to form 1 gram of A 3B 2 ii. 3 atoms of A react with 2 atoms of B to form 1 molecule of A 3B 2 iii. 3 moles of A react with 2 moles of B to form 1 mole of A 3B 2
Answer:
iii. 3 moles of A react with 2 moles of B to form 1 mole of A 3B 2
Explanation:
A + 2 B → A 3B 2
A chemical equation among other things, gives the stoichiometry of the reaction; that is the relationship between reactants and products.
This relationship is basically stated in moles form the coefficients of the reactants and product.
From the reaction above, we can say;
1 mol of A reacts with 2 mol of B to form 1 mol of A3B2
It cannot be grams because the reactants and products all have different molar masses.
The correct interpretation of the equation of the hypothetical chemical reaction is; Choice (iii) 3 moles of A react with 2 moles of B to form 1 mole of A 3B 2.
Definition:
Chemical equations are equations that make use of chemical formulae and symbols to represent chemical reactions. The left-hand side of a chemical equation represents the reactants and the right-hand side represents the products.
Each reacting entity is also assigned its corresponding stoichiometric coefficient.
However, this stoichiometric coefficient is to quantify the no. of moles of the reactants consumed or products formed as the case may be.
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The rate of diffusion of gas A is double the rate of gas B. The ratio of their molecular weight is
Answer:
Ratio is 4:1
Explanation:
from graham's law of gaseous diffusion:
[tex]{ \bf{ \frac{R _{A} }{R_{B} } = \sqrt{ \frac{M_{A} }{M_{B}} } }}[/tex]
but Ra = 2Rb:
[tex]{ \sf{ (\frac{2}{1} ) {}^{2} = \frac{M _{A}}{M _{B} } }} \\ \\ { \sf{\frac{M _{A}}{M _{B} } = \frac{4}{1} }} \\ \\ {M _{A}} : {M _{B} } = 4 :1[/tex]
please Help!! And answer ASAP!!! Give two examples of compounds that form extended structures instead of molecules. Using a complete
sentence.
Answer:
A structure whose sub-units occur in a constant ratio and are arranged in a repeating pattern; the sub-unit can be individual atoms or a molecule.
Heterometallic systems Which employ multiple building units to produce extended structures.
And
Design and assessment of extended structures often require the generation of spatially variable earthquake motions to be used as multiple-support inputs.
Explanation:
Such As A Polymer For Instance.
A type of extended structure that is made of many smaller, repeating sub-units in a chain; Although, The repeating sub-unit is a unique molecule. I Hope That This Answer Helps.