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WARRIOR [948]
3 years ago
14

The law of conservation of energy states that if the system gains heat the surroundings ________?

Chemistry
1 answer:
Arlecino [84]3 years ago
8 0
The surroundings would lose heat.
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*GIVING BRAINLIEST* NEED ANSWER ASAPPP
poizon [28]

Same Question here answered by me with explanation check the link below for your answer.

brainly.com/question/24944271?

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3 years ago
Which or these equations is balanced H2SO4 + 2Al > Al2(SO4)3 + H2 or 2KCl + Pb(NO3)2 > 2KNO3 + PbCl2
Dmitry_Shevchenko [17]

Balancing of chemical equation is essential because of the law of conservation of mass, which states that the mass of a system can not be created or removed.

The second equation is balanced

2KCl_(_a_q_) +Pb(NO_3)_2_(_a_q_) ==> 2KNO_3_(-a_q_) + PbCl_2(_a_q_)

This is because the number of elements of each atom in the product side equal the number of elements of each atom on the reactant side.

The first equation is not balanced

H_2SO_4 _(_a_q) + 2Al_(_s_) ==> Al(SO_4)_3_(_a_q_) + H_2_(_g_)

This is because there is 1 molecule of SO_4^{-2} on reactant side as compared to 3 molecules of SO_4^{-2}

To balance the equation we add a coefficient of 3 on sulphuric acid (H_2SO_4) and a coefficient of 3 on hydrogen (H_2)

3H_2SO_4_(_a_q_) + 2Al_(_s_) ==> Al(SO_4)_3_(_a_q_) + 3H_2_(_g_)

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3 years ago
What is environment?write in a sentence ​
Alex17521 [72]
The natural environment or natural world encompasses all living and non-living things occurring naturally, meaning in this case not artificial.
4 0
3 years ago
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YO I NEED HELP!!!! APEX PLEASE
podryga [215]
B is the correct answer for it
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3 years ago
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Which of the following determines the type of element that an atom makes?
emmainna [20.7K]
The answer is B, the number of protons

It's is the unique thing about every element!

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3 years ago
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