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kiruha [24]
2 years ago
13

What type of reaction is illustrated?

Chemistry
1 answer:
aev [14]2 years ago
8 0

Answer:

Double replacement is the answer

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What term is used to describe the energy level of any level higher than the ground state of a particle?
Xelga [282]

Answer:

B. Excited state

Explanation:

Energy levels higher than the ground state are called the excited states. This concept is based on the premise that electrons can move round the nucleus in certain permissibe orbits or energy levels.

The ground state is the lowest energy state available to the electron. This is usually the most stable state.

The excited state is any level higher than the ground state. An electron  in an energy level has a definite amount of energy associated with it at that level.

3 0
2 years ago
how many grams of calcium oxide are producer from the decomposition of 125 grams of calcium carbonate
Dmitrij [34]

70.0 g. The decomposition of 125 g CaCO3 produces 700 g CaO.

MM = 100.09 56.08

CaCO3 → CaO + CO2

Mass 125 g

a) Moles of CaCO3 = 125 g CaCO3 x (1 mol CaCO3/100.09 g CaCO3)

= 1.249 mol CaCO3

b) Moles of CaO = 1.249 mol CaCO3 x (1 mol CaO/1 mol CaCO3)

= 1.249 mol CaO

c) Mass of CaO = 1.249 mol CaO x (56.08 g CaO/1 mol CaO) = 70.0 g

7 0
3 years ago
What is an example of mixture of compounds
Reika [66]
Gasoline, oil, food, gunpowder, etc. pls mark as brainliest
8 0
3 years ago
Read 2 more answers
Can someone plz help fill in these coefficients <br><br>4., 5., 6., 7.
dexar [7]
Start by balancing elements that don’t appear in single form. So, for number 4

Start by adding 2 to Cu2O to balance the oxygen

2Cu2O + C —-> Cu + CO2

Now the oxygen is balanced, but the Cu is not. This can now simply be mitigated by adding 2 to the single Cu

2Cu2O + C —-> 2Cu + CO2

That’s your final answer for #4
8 0
2 years ago
Put the following metric system in order largest to smallest
ehidna [41]

Answer: asteroids and moon, planet, star, solar system, galaxy, universe.

Explanation:

5 0
2 years ago
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