3 years ago

When an atom gains an electron,what charge does the ion have

Chemistry

1 answer:

irakobra [83]3 years ago

7 0

Answer:

if an atom gains an electron, the ion has negetive charge

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What is the temperature shown on the thermometer below?

vaieri [72.5K]

Answer:

- 13 * c

Explanation:

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3 years ago

If i increase the [h+] of a solution by 10x, how much will the ph change? and in what direction will ph change?

igomit [66]

For example...
You have solution with [H+] = 0,01M
>>>> pH = -log[H+] = -log0,01 = 2

And you increase the [H+] by 10x ---> 0,01×10 = 0,1M
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3 years ago

If a mixture containing 0.50 moles of N2 and 1.8 moles of H2 is allowed to react according to the equation N2 3H2 2NH3 Group of

Lelechka [254]

Answer: hydrogen is the limiting reactant.

Explanation:

We have the equation $\text{N}_{2}+3\text{H}_{2} \longrightarrow 2\text{NH}_{3}$ .

This means that for every mole of nitrogen consumed, 3 moles of hydrogen are consumed.

Considering the nitrogen, the reaction can occur 0.50 times.
Considering the hydrogen, the reaction can occur 1.8/3 = 0.6 times.

Therefore, hydrogen is the limiting reactant.

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2 years ago

How many atoms are in one molecule of baking soda, NaHCO3?

vladimir2022 [97]

Answer: 6 atoms in total

Explanation:

It has one sodium atom, one hydrogen atom, one carbon atom, and three oxygen atoms.

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2 years ago

372 mL is the volume of Aluminum, density is 2.70 g/mL what is the mass in grams

podryga [215]

Answer:

930 g

Explanation:

D = m/V Multiply both sides by V

m = VD

Data:

V = 372 cm³

D = 2.70 g/cm³

Calculation:

m = 372 × 2.50

m = 930 g

The mass of Al is 930 g.

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3 years ago