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Bas_tet [7]
2 years ago
8

what do animal cells need in order to maintain homeostasis A. light energy B. carbon dioxide C. chemical energy D.carbon monoxid

e
Chemistry
1 answer:
Alik [6]2 years ago
5 0
Please correct me if I'm wrong but I think the answer is b or c 

also sorry if i do get it wrong
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Look at picture please
Tom [10]

Answer:

Keep temperature constant and increase the pressure of the reaction. The rate of reaction increases.

Explanation:

First of all, the question is asking us to design an experiment to investigate the effect of pressure on the rate of reaction hence the pressure can not be held constant since it is the variable under investigation. This eliminates the first option.

Secondly, increasing the pressure of the reaction means that particles of the gas collide more frequently leading to a greater number of effective collisions and a consequent increase in the rate of reaction according to the collision theory.

Hence the answer above.

3 0
2 years ago
How many joules would be absorbed for the water in Problem 1
9966 [12]

Answer:

5000 cal X 4.184 J/cal =

Explanation:

20,920 jules

8 0
3 years ago
Use the periodic table to identify the chemical symbol or name for each element below.
Tom [10]

Answer:yes

Explanation:yeaa

4 0
3 years ago
Read 2 more answers
What is the molar mass of citric acid (c6h8o7) and baking soda (nahco3)?
Rufina [12.5K]

The molar mass of citric acid (c6h8o7) is 192.124g/mol

The molar mass of baking soda (nahco3) is 84.007g/mol

The molar mass of a chemical compound is defined as the mass of a sample of that compound divided by the amount of substance in that sample and is measured in moles. Molar mass is a mass property, not a molecular property of a substance.

Molar mass is the mass of 1 mole of the sample. To find the molar mass, add up the atomic masses (atomic weights) of all the atoms in the molecule. Use the masses listed in the periodic table or atomic weight table to determine the atomic mass of each element.

Learn more about molar mass here:brainly.com/question/15476873

#SPJ1

6 0
1 year ago
Read 2 more answers
A chemist has 60ml of a 3M NaCl solution. He needs to dilute it so the Molarity is 1M NaCl. How much water does he need to add?
REY [17]

Answer:

80 ml the right answer

Explanation:

<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em> </em><em>you</em><em> </em><em>dude</em><em> </em>

8 0
2 years ago
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