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lakkis [162]
2 years ago
11

Considering 2N2H4(g) + N2O4(g) -> 3N2(g) +4H2O(g)

Chemistry
1 answer:
Tema [17]2 years ago
3 0

Answer:

107.8

Explanation:

64 gram of N2H4 produce 72 gram of H20

then by crossmultiplication

64*121.3/72=107.82

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An electric wire produces a magnetic field. <br><br><br> True or false? (GIVE PROOF)
kupik [55]

Answer:

True

Explanation:

A magnetic field is made when an electric current flows through a wire.

3 0
3 years ago
Which direction will the following reaction (in a 5.0 L flask) proceed if the pressure of CO_2(g) is 1.0 atm? CaCO_3(s) rightarr
storchak [24]

Answer:

d. To the left because Q > K_p

Explanation:

Hello,

In this case, for the given reaction:

CaCO_3(s) \rightarrow CaO(s) + CO_2(g)

The pressure-based equilibrium expression is:

Kp=p_{CO_2}

In such a way, since Kp is given we rather compute the reaction quotient at the specificed pressure of carbon dioxide as shown below:

Q=p_{CO2}=1.0

Therefore, since Q>Kp we can see that there are more products than reactants, which means that the reaction must shift leftwards towards the reactants in order to reestablish equilibrium, thus, answer is d. To the left because Q > Kp.

Regards.

6 0
3 years ago
How many atoms are in 123 g of calcium
Keith_Richards [23]

Answer:

Molar mass of Ca = 40 g / mol , given 123 g Ca is 123/40= 3.075 moles,

1 mole = 6.022 * 10^23 atoms, so 3.075 moles Ca= 18.51*10^23 atoms

Explanation:

5 0
3 years ago
Select the correct answer.
solong [7]
I think it’s A but I’m not sure, if it’s wrong I’m sorry
7 0
2 years ago
What caused the bonding of two atoms which undergo an ionic bond?
kondaur [170]
<span>Since one is negative and one is positive they are held together by their electrostatic attraction to each other, much like how a north and south pole of a magnet attract.</span>
4 0
2 years ago
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