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timama [110]
2 years ago
7

How many grams of H2O can you make with 120g of O2. Unbalanced equation is: H2 + O2 -> H2O

Chemistry
1 answer:
kakasveta [241]2 years ago
4 0

Answer:

13

Explanation:

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If you add 5.0 ml of 0.5 m naoh solution to 20.0 ml each of buffer b and buffer c, which buffer’s ph would change less? ex
bearhunter [10]
If 5 ml of 0.5 M NaOH is added to 20 ml each of Buffer b and buffer c. Both of the buffers' pHs won't change since a buffer has a property that if it is added to another solution, acidic or basic, its pH won't change. 
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3 years ago
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morpeh [17]
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3 years ago
Which element does this atom represent?
Maurinko [17]

Answer:

Option C is correct = fluorine

Explanation:

An atom consist of electron, protons and neutrons. Protons and neutrons are present with in nucleus while the electrons are present out side the nucleus.

All these three subatomic particles construct an atom. A neutral atom have equal number of proton and electron. In other words we can say that negative and positive charges are equal in magnitude and cancel the each other. For example if neutral atom has 6 protons than it must have 6 electrons. The sum of neutrons and protons is the mass number of an atom while the number of protons are number of electrons is the atomic number of an atom.

This diagram show that there are 9 electrons and 9 protons are present. We know that the number of protons or electrons are atomic number of that element. From periodic table we know that atomic number of fluorine is 9 thus the given atom present fluorine atom.

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3 years ago
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5 0
3 years ago
If you heat the cup of soup in the microwave to make it boil. Will it have a higher total kinetic energy than the bowl of soup?
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No, The kinetic energy depends upon the number of particles motion. The hot bowl of soup will have greater number of particles in motion and it will contain more kinetic energy than the cup of soup.

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