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aliina [53]
3 years ago
9

What is energy in motion called

Chemistry
1 answer:
oee [108]3 years ago
3 0
Is it kinetic energy
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Please answer question #4
trasher [3.6K]

Answer:

F=500×3 = 1500 N

W = 1500×10 =15000 Nm

7 0
2 years ago
Read 2 more answers
Q2. The table gives the composition of three particles.
Kisachek [45]

Answer:

The proton and electrons are equal,

15protons and 15electrons

Explanation:

An atom is the smallest electrical neutral particle of an element so it means that every atom have same number of protons and electrons.

8 0
3 years ago
This chart show the amount of radioactivity measured from three unknown isotopes.
Ad libitum [116K]

Answer:

We are asked to describe the half-life of the radioactive materials.

  • Hence the 3rd option is correct
5 0
3 years ago
Consider the reaction ch3oh(l)→ch4(g)+1/2o2(g). part a calculate δrh∘298.
Vsevolod [243]
To determine the standard heat of reaction, ΔHrxn°, let's apply the Hess' Law.

ΔHrxn° = ∑(ν×ΔHf° of products) - ∑(ν×ΔHf° of reactants)
where
ν si the stoichiometric coefficient of the substances in the reaction
ΔHf° is the standard heat of formation

The ΔHf° for the substances are the following:
CH₃OH(l) = -238.4 kJ/mol
CH₄(g) = -74.7 kJ/mol
O₂(g) = 0 kJ/mol

ΔHrxn° = (1 mol×-74.7 kJ/mol) - ∑(1 mol×-238.4 kJ/mol)
ΔHrxn° = +163.7 kJ
8 0
3 years ago
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Sam places 5 g of baking soda in 5 g of liquid vinegar, and notices fizzing. After all the fizzing stops, 5 g of liquid remains.
anygoal [31]
Answer: G

5+5=10

10-5=5

5 g of gas escaped
3 0
3 years ago
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