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finlep [7]
2 years ago
8

One of the products when aqueous Na, CO, reacts with aqueous

Chemistry
1 answer:
mixas84 [53]2 years ago
6 0

Answer:

NaNO3

balanced equation - Na2CO3 + Sn(NO3)2 → 2NaNO3 + Sn(CO3)

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Please help 50 points A balanced chemical equation has _________ number of atoms for each element on both sides of the equation.
labwork [276]

Answer: must have THE SAME number of atoms for each element

Explanation:  Chemical equations must be balanced -- they must have the same number of atoms of each element on both sides of the equation. As a result, the mass of the reactants must be equal to the mass of the products of the reaction.

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3 years ago
Which statement about gases is true?
Whitepunk [10]

Answer:

they are made up of hard spheres that are in random motion

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2 years ago
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Which of the following statements is true?
Norma-Jean [14]

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C. Organs are made up of cells and tissues.

Explanation:

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2 years ago
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Which element is likely to gain one electron when it combines chemically with another element? a potassium b krypton c gold d ch
11Alexandr11 [23.1K]
Chlorine because it lacks one valence electron to fill it's outer shell
7 0
3 years ago
How many kilojoules are released when 8.2 g of water condenses at 100 °c and cools to 15 °c?
MrRa [10]

Answer:- 2.92 kJ of heat is released.

Solution:- We have water at 100 degree C and it's going to be cool to 15 degree C.

So, change in temperature, \Delta T = 15 - 100 = -85 degree C

mass of water, m = 8.2 g

specific heat of water, c = 4.184\frac{J}{^0C.g}

The equation used for solving this type of problems is:

q=mc\Delta T

Let's plug in the values in the equation and solve it for q which is the heat energy:

q = (8.2)(4.184)(-85)

q = -2916.248 J

They want answer in kJ. So, let's convert J to kJ and for this we divide by 1000.

q=-2916.248J(\frac{1kJ}{1000J})

q = -2.92 kJ

Negative sign indicates the heat is released. So, in the above process of coiling of water, 2.92 kJ of heat is released.

3 0
3 years ago
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