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tangare [24]
3 years ago
8

What is the charge on an atom after it loses an electron during the formation of a bond?

Chemistry
1 answer:
NARA [144]3 years ago
7 0

Answer:

One positive charge

Explanation:

In a neutral atom, the number of positive and negative particles are equal. This leaves the atom with a net charge of zero, 0.

When the number of protons in an atom is greater than the number of electrons, the atom becomes positively charged. When an atom loses an electron when a bond wants to form, it has a net positive charge.

The number of electrons lost or gained determines the charge.

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Theoretically, how many moles of carbonic acid will be produced by 3.00 g sample of NaHCO3?
Kryger [21]
NaHCO3 = 22.99 + 1.008 + 16(3) = 83.99 g/mol 

Na = 22.99g/83.99 g weight of molecule =.2727 or 27.27% 

3.0 g* .2727 = 0.8211 grams of sodium in sample of NaHCO3 

0.8211 grams Na + 1.266 grams Cl = 2.087 grams
7 0
3 years ago
if the same amount of heat is added to 50.0 g samples of each of the metals, which are all at the same temperature, which metal
Salsk061 [2.6K]

The metal which will reach the highest temperature is the metal with the lowest specific heat capacity.

<h3>What is the amount of heat added to each metal?</h3>

The amount of heat Q = mcΔT where

  • m = mass of metal
  • c = specific heat capacity of mateal and
  • ΔT = temperature change

<h3>Temperature change of the metal</h3>

Making ΔT subject of the formula, we have

ΔT = Q/mc

Given that Q and m are the same for each metal,

ΔT ∝ 1/c

We see that the temperature change is inversely proportional to the specific heat capacity.

Since the metals are at the same temperature, the metal which will reach the highest temperature is the metal with the lowest specific heat capacity.

So, the metal which will reach the highest temperature is the metal with the lowest specific heat capacity.

Learn more about temperature here:

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6 0
1 year ago
At constant P and n, T decreases at V is?
goblinko [34]

Answer:

This means that as pressure increases,the volume decreases or the volume increases as the temperature increases, and decreases as the temperature decreases

8 0
2 years ago
Sodium chloride is dissolved in water.<br> Which ions are present in the electrolyte?
IgorC [24]
It is the polar nature of water that allows ionic compounds to dissolve in it. In the case of sodium chloride (NaCl) for example, the positive sodium ions (Na+) are attracted to the negative pole of the water molecule, while the negative chloride ions (Cl−) are attracted to the positive pole of the water molecule.
4 0
2 years ago
Read 2 more answers
On melting of ice , there is a decrease in volume instead of increase . Why ?
Oliga [24]
Because of the crystal structure of the ice, ice has lower density than liquid water. So the volume of the ice of same mass is greater than water. When melting, the volume will decrease.
8 0
3 years ago
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