Chemistry Middle School

Please help science homework

Please Help Science Homework

Answers

Answer 1

Answer:

reactants:

carbon - 6

Hydrogen - 12

oxygen - 18

products:

Carbon - 6

Hydrogen- 12

Oxygen- 18

Explanation:

The equation must be balanced so that the quantity of each element is equal on both ends of the equation, The ATP (energy) is provided from the breaking of the chemical bonds

Answer 2

Answer:

Explanation:

The subscript numbers mean how many of that specific atom there are. So O(sub:2) would mean 2 oxygen atoms. If there is a normal number in front, you multiply all atoms by that number. So 6H(sub:2)O would be 6*2=12 Hydrogen atoms and 6*1= 6 oxygen atoms

Reactants:

Carbon: 6

Hydrogen: 12

Oxygen: 18

Products

Carbon: 6

Hydrogen: 12

Oxygen: 18

Related Questions

What caused the behavior of the plant in the diagram above?

Answers

What causes the behavior of the dying plant is that it´s either getting to much water and to little and needs more sunlight and heat and less coldness.

Answer:

c. excessive humidity

Explanation:

because there could be to little of heat or sunlight or to much or to little of water

Which of the following statements is true?
A. A solution is a pure substance.
B. A solution is a mixture.
C. The solvent is dissolved in the solute.
D. A solution has the same properties as a colloid.

Answers

I think the answer may be C

Answer:

C

Explanation:

shouldn't it be c because isn't a solution a homogeneous mixture or are they not the same?

What is the center of an atom called?? I NEED HELP PLSS

Answers

Answer: The center of the atom is the nucleus

Explanation:

The center of the atom is called the nucleus

Please help asap!! Tysm!♡♡

Answers

Hey! I’m not sure this is right the egg has cooked the car has rusted the candle has been lighted the raw bacon has been cooked the fresh bananas are overripe and old

Answer: EGG

Explanation: RAW

You may think of changes in climate occurring as you go north or south. This climber stayed at the same latitude and went up. What explains the difference in temperature and climate between the top and bottom of Mt. Kilimanjaro? Please explain in 3-5 sentences thank you for 81 points

Answers

Answer: I'm not really sure but I think its dew to the different heights and tempura going up and down and the flow of wind.

Explanation:

Answer:

Mountains make it possible for snow to be found at the equator. Why does the temperature become colder the higher up a Mountain? Generally the climate on mountains get progressively colder with increased altitude (the higher up you go).

Explanation:

Examine the data table. Why is ethylene glycol used in de-icing fluid for airplanes and other vehicles?
Ethylene Glycol in Water (%) Freezing Point (°C)
0 0
10 −2
20 −8
30 −16
40 −25

Answers

The reason why we use ethylene glycol for the de-icing of airplanes and other vehicles is due to its low cost.

What is the use of ethylene glycol?

We know that the freezing point is the point that a liquid is turned into a solid. It is also the same temperature at which the solid is converted to liquid.

One of the important of a de - icing substance is that it can be used to decrease the melting point of a substance. This is common in the countries where snow is a regular experience during winter and ethylene glycol has always been a first choice substances for the de- icing of airplanes and other vehicles owing to low cost.

Learn more about ethylene glycol:https://brainly.com/question/10405060

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Please help! 10 points:

Compile a scientific report from your hypotheses, observations, data, inferences, and conclusions. Be sure to answer the questions below in your summary and include your personal findings.


EXPERIMENT

Supplies needed: sugar, beaker or dish, water, stirring rod or teaspoon


Instructions:

1. Place several teaspoons of sugar in a small beaker half full of water, and stir until the water is clear.

2. Pour some of the solution into a dish. Set the dish on a shelf or a windowsill. Observe the dish for a day or two. Record what you observe.


Compile a scientific report from your hypotheses, observations, data, inferences, and conclusions. Be sure to answer the questions below in your summary and include your personal findings.


What did you observe after the solution set in the dish for a day or two?

What kind of change (physical or chemical) occurred in this experiment?

How do you know the kind of change?

What happened to the sugar?

Name another mixture that could be separated in this way.

What did you find out from this experiment? Be thoughtful in your answer.

Answers

Answer:

First of all what is your hypotheses? Finally, you've reached your conclusion. Now it is time to summarize and explain what happened in your experiment. Your conclusion should answer the question posed in step one. Your conclusion should be based solely on your results. Was your hypothesis correct? If your hypothesis wasn't correct, what can you conclude from that? Do you need to run your experiment again changing a variable? Is your data clearly defined so everyone can understand the results and follow your reasoning? Remember, even a failed experiment can yield a valuable lesson.

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