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Serga [27]
4 years ago
6

Why do we need to study chemistry?

Chemistry
1 answer:
Georgia [21]4 years ago
3 0

Chemistry is very important to study. Chemistry explains the natural world around us and also explains certain chemical processes that happen here on earth.

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(10 points) Please help asap!! ​
icang [17]

Answer:

1-3 2-2 3-1

Explanation:

7 0
4 years ago
Is the volume the constant?
MrRissso [65]
The volume will decrease, because as the temperature is lowered, the atoms will move slowler and they won't fill as much the balloon
4 0
3 years ago
Identify the product formed from the phosphorylation of adp.
yulyashka [42]
Phosphorylation is a process in which addition of phosphoryl group is added. This process explains the presence of the PO₃⁻ in the molecules. One type of phosphorylation is that which is termed as the substrate-level phosphorylation. This is a metabolic reaction that allows or results to the formation of ATP due to the direct transfer of phosphoryl to ADP. 

Hence, the answer is ATP. 
4 0
3 years ago
Read 2 more answers
If 14.5 kJ of heat were added to 485 g of liquid water, How much would its temperature increase?
olga55 [171]

<u>Answer:</u> The increase in temperature is 7.14°C

<u>Explanation:</u>

To calculate the change in temperature, we use the equation:

q=mc\Delta T

where,

q = heat absorbed = 14.5 kJ = 14500 J    (Conversion factor: 1 kJ = 1000 J)

m = mass of water = 485 g g

c = specific heat capacity of water = 4.184 J/g.°C

\Delta T = change in temperature = ?

Putting values in above equation, we get:

14500J=485g\times 4.184J/g.^oC\times \Delta T\\\\\Delta T=7.14^oC

Hence, the increase in temperature is 7.14°C

3 0
3 years ago
Which sample of matter is classified as a solution? 1. H2O(s) 2. H2O(l) 3. CO2(g) 4. CO2(aq)
lys-0071 [83]

Answer : Option 4) CO_{2}_{(aq)}

Explanation : CO_{2}_{(aq)} is the only sample of matter which can be classified as a solution. As the solution can be defined as a liquid mixture which contains a minor component (the solute) that is uniformly distributed within the major component (the solvent).

In this case, the solute is CO_{2} which is dissolved in water which acts as an solvent. Also, it has a subscript which is aq. which means aqueous, is often given to the solution in which the solvent is water.

Therefore, CO_{2}_{(aq)} is the correct answer.

4 0
4 years ago
Read 2 more answers
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