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Anastaziya [24]
2 years ago
13

What is the mass in grams of 1.8 mol of Magnesium Sulfide?

Chemistry
1 answer:
Rasek [7]2 years ago
4 0

Answer:

101.466000

Explanation:

N/A

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PLEASE ANSWER FAST!!!!!!!!!!!!!!!
Savatey [412]

Answer:

The answer is A. a wave of vibrating electric and magnetic energy.

6 0
2 years ago
What is the kinetic energy of the ball precisely 4 seconds after it starts falling?
allochka39001 [22]

it depends how heavy and how far it travels


3 0
3 years ago
An electrochemical cell has the following standard cell notation.
icang [17]

The cell notation is:

Mg(s)|Mg^{+2}(aq)||Ag^{+}(aq)|Ag(s)

here in cell notation the left side represent the anodic half cell where right side represents the cathodic half cell

in anodic half cell : oxidation takes place [loss of electrons]

in cathodic half cell: reduction takes place [gain of electrons]

1) this is a galvanic cell

2) the standard potential of cell will be obtained by subtracting the standard reduction potential of anode from cathode

E^{0}_{Mg}=-2.38V

E^{0}_{Ag}=+0.80V

Therefore

E^{0}_{cell}=0.80-(-2.38)=+3.18V

3) as the value of emf is positive the reaction will be spontaneous as the free energy change of reaction will be negative

ΔG^{0}=-nFE^{0}

As reaction is spontaneous and there will be conversion of chemical energy to electrical energy it is a galvanic cell.

7 0
2 years ago
Nitrogen dioxide gas is formed by reaction of nitrogen monoxide gas and oxygen gas
NeTakaya

Answer:

For the formation of nitrogen dioxide, the reactants used are nitrogen monoxide and oxygen gas. 2 moles of nitrogen monoxide gas react with 1 mole of oxygen gas to produce 2 moles of nitrogen dioxide gas.

Explanation:

3 0
2 years ago
How many kJ to hear 0.700 pint of room temp water to boiling
irina1246 [14]
Use the equation Q = mCT.

Q is the amount of energy in joules.

m is the mass in grams.

C is the specific heat of water (4.184 J/g °C).

T is the change in temperature.

0.700 pints = 331.224 g of water

Q = (331.224 g)(4.184 J/g °C)(100° C - 30° C)

Q = 97,008.885 J

Divide by 1,000 to convert to kilojoules:

97.009 kJ
8 0
3 years ago
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