1. The actual value for absolute zero in degrees Celsius is −273.15. Use the formula below to determine your percent error for both gas samples.
|experimental value – actual value| x 100
actual value
The Percent error for ice and salt water is 94.55%. The Percent error for ice water is 100.40%.
What is absolute zero?Absolute zero is the temperature whereby a system in its balanced state contains the lowest energy that corresponds to -273.15 °C.
Using the formula for Percent error, we have:
[tex]\mathbf{percent \ error = \dfrac{|experimental \ value| - |actual \ value| }{|actual \ value|} \times 100\%}[/tex]
For ice and salt water:
[tex]\mathbf{percent \ error = \dfrac{|-14.9 -(-273.15)| }{|-273.15|} \times 100\%}[/tex]
Percent error = 94.55%
For Ice water:
[tex]\mathbf{percent \ error = \dfrac{|1.1 -(-273.15)| }{|-273.15|} \times 100\%}[/tex]
Percent error = 100.40%
Learn more about absolute zero here:
https://brainly.com/question/1191114
CHEMCIAL TECHNOLOGY QUICK CHECK which activity would be considered resource extraction? eating beef raising cattle eating deer hunting deer WILL GIVE BRAINIEST TO WHOEVER GOVES ME THE WHOLE QUICK CHECK
Hunting deer can be considered resource extraction. It involves the loss of biodiversity.
What does resource extraction mean?Resource extraction refers to the usage of fundamental resources (biodiversity resources) from the environment.
Hunting deer is considered a resource extraction activity because this activity involves the loss of biodiversity.
Biodiversity is a fundamental issue for the health (homeostasis state) of the whole ecosystem.
Learn more about biodiversity here:
https://brainly.com/question/11542363
Answer:
Hunting dear, fewer trees to a decrease in earths carbon dioxide absorption, advancements in medicine, Hydrogen is a component of water , removing acid causing oxides from factory smoke
Explanation:
Yw please mark brainliest<33
A sample of neon is at 75 C and 115 kPa. If the pressure changes to 127 kPa and the volume remains constant, what is the new temperature, in C?
The new temperature of the sample of neon is 111.31 °C.
What is temperature?Temperature can be defined as the hotness or coldness of a thing or place.
To calculate the new temperature of the sample of neon, we apply the formula below.
Formula:
P/T = P'/T'.................. Equation 1Where:
P = old pressure valueP' = new pressure valueT = old temperature valueT' = new temperature value.Make T' the subject of the equation
T' = P'T/P............ Equation 2From the question,
Given:
P' = 127 kPaP = 115 kPaT = 75 °C = (75+273) = 348 KSubstitute these values into equation 2
T' = (127×348)/115T' = 384.31 KT' = (384.31-273) °CT' = 111.31 °CHence, The new temperature of the sample of neon is 111.31 °C.
Learn more about temperature here: https://brainly.com/question/24746268
4. Which is a clastic rock?
A
coal
B.
limestone
U
rock gypsum
D
sandstone
Answer:
B limestone
Explanation:
A particular tank of oxygen gas contains 785 L at 21°C.If the pressure remains constant,what volume will the gas occupy if the temperature is changed to 28°C? (Write procedure)
Balance the following chemical equation:
As4S6+
02
->
As406+
SO2
What the answer
There is oil that is coming up on the beach from the waves. What most likely caused the oil to get in the water?
Animals have carried oil from land to the water.
An accident caused an oil rig to spill oil into the ocean.
The wind has blown oil into the ocean from land.
The oil has come from a crack in the ocean floor.
Answer:
The answer is (B) An accident caused an oil rig to spill oil into the ocean.
Explanation:
Someone would know that they are polluting the ocean but someone left it there so the water or and accident cause the oil rig to spill.
Answer:
The answer is (B) An accident caused an oil rig to spill oil into the ocean.
Explanation:
The answer is (B) An accident caused an oil rig to spill oil into the ocean.
How many grams are there in 0.37 moles of H20?
Answer:
18.01528 gram using the molecular weight calculator and the molar mass of H2O.
Explanation:
how many grams of sulfur can be formed from 108g of sulfur dioxide?
Answer:
1.99 grams
Explanation:
hope this helps
What was the concentration of my stock solution if I used 23mL of it to make 102 ml of 1.4 M dilution?
Answer:
formula:c1v1=c2v2
Explanation:
v1=102ml,c1=1.4mol/l
v2=?;c2=2.4mol/l
v2=v1×c1÷c2=102ml×1.4mol/l÷2.4mol/l
=59.5ml
i hope this will help you
What is one way to spearate awater an salt
Answer:You can boil or evaporate the water and the salt will be left behind as a solid. If you want to collect the water, you can use distillation. This works because salt has a much higher boiling point than water.
Explanation:
hope it hepls
How many elements make up Ibuprofen?
C13H18O2
Answer:
Explanation:
wouldn't it be three because every capital is a new element?
A solution has a concentration of 0.8 M and contains 15 g AgBrO3. What is the volume of the solution
Answer:
Solution Concentration: Molarity Moles of solute in one liter of solution Used because it describes how many molecules of solute are in each liter of solution Tro: Chemistry: A Molecular Approach, 2/e 6 amount of solute (in moles) Molarity, M = amount of solution (in L) moles of solute M = L of solution or simply 4
GOOD LUCK!!
A solution has a concentration of 0.8 M and contains 15 g AgBrO3.The volume of the solution is 0.08 L.
What do you mean by the term molarity ?The term molarity is defined as the number of moles of solute per litre of solution. Molarity, M = amount of solution (in L) moles of solute M = L of solution.
It is also called as molar concentration. As the number of moles of solute is measure out in mol and the volume of solution will be in litre. Hence, the unit of molarity is mol L - 1.
Given:
Molarity = 0.8 M
Mass = 15 gram
The molar mass for AgBrO3 = 235.769 g/mol.
Then calculate the number of moles in the sample by dividing the given mass by the molar mass.
15g 235.769 g/mol = 0.064 moles
Molarity = Number of moles/volume
Volume = Number of moles/Molarity
Volume = 0.064/0.8 M
Volume = 0.08 L
Thus, the volume of the solution is 0.08 L.
To learn more about the molarity, follow the link;
https://brainly.com/question/8732513
#SPJ2
A sample originally contains 24 grams of a radioactive isotope. After 18 days, 18.8 grams of the isotope remain in the sample. What is the half-life of the isotope
The sample's decay constant for the given time of radioactive decay is 0.0058 days⁻¹. Thus, the half life of the sample is 119.48 days.
What is radioactive decay?Heavy unstable radioactive nuclei undergo radioactive decay by the emission of charged particles. They stable isotopes or new atoms by radioactive decay.
It is given that the sample of 24 grams decays to 18.8 grams within 18 days. The decay constant k can be calculated as follows:
k = 1/t log (Ci/Ct)
Where Ci is the initial amount and Ct be the final amount.
k = 1/18 log (24 g /18.8 g)
= 0.0058 days⁻¹
Now, the half life time of the sample can be calculated as:
t1/2 = 0.693 / k
= 0.693/0.0058 days⁻¹
= 119.4 days.
Therefore, the half life of the sample is 119.4 days.
To find more on radioactive decay, refer here:
https://brainly.com/question/1770619
#SPJ2
If 50 grams of Al2O3 was produced, how many moles of aluminum reacted?
Answer:
one mole of aluminium has reacted in it.
Explanation:
Al : Al2O3=100 gmol-1
4 : 2
2 : 1mol→100g
1 : }50g→1/2mol
Name the functional group in the
following molecule:
NH2
A. aldehyde
B. amine
C. amide
D. thiol
Answer:
The functional group is called a amide so its, C.
Explanation:
Compare ferns, gymnosperms, and angiosperms by writing each characteristic in the box underneath the correct plant type. • reproduce with cones • reproduce with spores • reproduce with flowers • existed the longest in Earth history • newest type of plant in Earth history • has needle-like, waxy leaves 1)
Ferns reproduce with spores which existed the longest in Earth history.
Gymnosperms reproduce with cones and has needle-like, waxy leaves.
Angiosperms reproduce with flowers and newest type of plant in Earth history.
How ferns, gymnosperm and angiosperm reproduce?Ferns reproduce with spores that existed the longest in Earth, gymnosperms reproduce through the formation of cones having needle-like, waxy leaves whereas angiosperms reproduce with flowers which turns into seed. The newest type of plant in Earth history is also belongs to this group.
Learn more about spore here: https://brainly.com/question/1022692
How does the crystallization of igneous material occur?.
How many grams of sodium chloride are present in 11.00 moles?
331.0 g
4500 g
156.6 g
642.9 g
Read the passage.
Water can react with hydrochloric acid (a strong acid) to form hydronium and chlorine ions. In this case, water acts as a base. Water also reacts with ammonia (a strong base) to form ammonium and hydroxide ions. In this case, water acts as an acid.
Which option correctly describes the reason for this phenomenon?
1. Water is a neutral compound. It can act as a base when coupled with a strong acid, or as an acid when coupled with a strong base.
2.Every substance can act as a base or an acid depending on the reaction they partake in. This property of substances is called amphotericity.
3. Water acts as a conjugate acid when coupled with a strong acid, or as a conjugate base when coupled with a strong base.
4. Water is an amphoteric compound. It can act as a base when coupled with a strong acid, or as an acid when coupled with a strong base.
61.2 grams of hydrogen sulfide react with 64.0 grams of Sulfur dioxide and produce 62.2 grams of solid sulfur (S8). (a) What amount of solid sulfur do you expect to be produced, theoretically, by the reaction with the given quantities of reactants? (Limiting reagent problem
Will mark brainliest
Reaction
8SO₂ + 16H₂S → 3S₈ + 16H₂O
find limiting reactant
mol SO₂ = 64 : 64 g/mol = 1
mol H₂S = 61.2 : 34 g/mol = 1.8
ratio mol:coefficient
SO₂= 1 : 8= 0.125
H₂S=1.8 : 16 = 0.113
H₂S as a limiting reactant (smaller ratio)
mol S₈ will be based on limiting reactant (H₂S)
mol S₈ = 3/16 x 1.8 = 0.3375
mass S₈ = 0.3375 x 256 = 86.4 g
Calculate the volume of an
object with the following
dimensions:
5.0 cm x 16 cm x 12 cm
Answer:
960cm
Explanation:
5.0cm x 16cm =80cm
80cm x 12cm=960
Hope this helps : )
Use the map to identify which body of water (A, B, C, or D) matches bar 3, and explain your answer.
which two events are apart of the rock cycle
Answer:
The key processes of the rock cycle are crystallization, erosion and sedimentation, and metamorphism.
Explanation:
mark me brainliest!!
Answer:
Earths heat and hydrological cycle
Explanation:
Which statement best describes the atoms in a gas?
Answer:
They move freely in all directions.
Explanation:
Select the statement that correctly describes the connection between two nucleotides:
A phosphodiester bond would form between the phosphate groups of each of the nucleotides..
A phosphodiester bond would form between the base of one nucleotide and the phosphate of the second nucleotide.
A phosphodiester bond would form between the phosphate group of one nucleotide and a hydroxyl group of the second nucleotide.
A phosphodiester bond would form between a purine base of one nucleotide and a hydroxyl group of the second nucleotide.
Answer:
The band that looks like milk in the night sky isn't actually milk,
Explanation:
Which is a trait of a technical text?
student has two balloons, one filled with helium and one filled with argon. Each balloon has a volume of 22.4-L at STP. Which of the following correctly describes these samples
The statement that can be made about the samples is that each balloon contains 1 mole of each gas.
What is molar volume?Molar volume refers to the volume that is occupied by one mole of a gas. According to Avogadro, the volume occupied by one ole of a gas is 22.4-L at STP.
Hence, if 22.4-L at STP is the volume of both the helium and argon filled balloons, then each balloon contains one mole of the gas.
Learn more about molar volume: https://brainly.com/question/4172228
What is the oxidation number of oxygen
in N02-?
Nitrogen dioxide (NO2) is a molecule which contain two oxygen atom and one nitrogen atom. Oxidation number of nitrogen atom can be found by two methods, algebra method and observing structure of molecule. Oxidation number of nitrogen is important to decide to whether NO2 can be oxidized or reduced.
How many moles of water are produced when 5 moles of hydrogen gas react with 2 moles of oxygen gas? (5 points)
2 moles of water
4 moles of water
5 moles of water
7 moles of water
Answer: 4 moles of water
Explanation:
What is the relative abundance of oxygen in the atmosphere?
Answer:
20.95%
Explanation: