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drek231 [11]
3 years ago
11

1. What is a chemical reaction

Chemistry
2 answers:
Charra [1.4K]3 years ago
8 0

a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction.

Ket [755]3 years ago
7 0

Answer:

Chemical reaction, a process in which one or more substances, the reactants, are converted to one or more different substances, the products. ... A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products

Explanation:

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Pls help :)
prisoha [69]

Answer:

0.484 mole

Explanation:

1 mole of glucose reacts with 6 moles of O2, producing :

6 moles of CO2

6 moles of H2O

678 kcal

Using rule of three you have:

1 mole of glucose -> 678 kcal

x mole of glucose -> 328 kcal

x = 328/678 * 1 =0.484 mole

6 0
4 years ago
What is located at the singularity of a black hole?
charle [14.2K]
The entire mass of a black hole
5 0
4 years ago
………… is the Energy stored in chemical bonds.
Katyanochek1 [597]

Answer:Energy, potential energy, is stored in the covalent bonds holding atoms together in the form of molecules. This is often called chemical energy. ..

Explanation:This movement is a form of kinetic energy, and the more the molecules move the more kinetic energy they have. Molecules in solids don't move much, they just vibrate

3 0
3 years ago
Read 2 more answers
If a rock is thrown 0.8 meters into the air, How fast was it thrown
sergiy2304 [10]
V=0 m/s, u=?, a = 9.8 m/s² and s = 0.8 m
u²=2×9.8×0.8=15.68
<span>u=3.959 ≈ 3.96 m/s

</span>
3 0
3 years ago
Read 2 more answers
What is the mass of 2 moles of 238U?
Viefleur [7K]
Use this formula mass = moles x molar mass. 
It should help. 
4 0
3 years ago
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