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2 years ago

How many grams of n2f4 can be produced from 225g f2?

1 answer:

8 0

The answer is 615.91 grams of n2f4

Solution:
225g F2 x [(1molF2)/(38gramsF2)] x [(1molF2)/(1molN2F4)] x [(104.02 grams N2F4)/(1molN2F4)]
=615.91 grams

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no. Because there is always that one person who doesn't want to

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2 years ago

6) Which of the following does not fall in the biotic component of the ecosystem?

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6.grass

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1 year ago

An ionic solid is placed in water. which information is described by the solubility product constant?

Illusion [34]

Answer:

$\boxed{\text{C. the equilibrium between the solid and its ions in solution}}$

Explanation:

$\rm MX(s) $\, \rightleftharpoons \,$ M$^{+}$(aq) + $^{-}$(aq); $K_{\text{sp}}$ = [M$^{+}$][X$^{-}$]\\\\\text{$K_{\text{sp}}$ gives us information on}\\\\\boxed{\textbf{ the equilibrium between the solid and its ions in solution}}$

It tells us nothing about the amount of precipitate that will form or the temperature at which the equilibrium occurs.

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2 years ago

Read 2 more answers

In order to dry wet clothes, we spread them on a clothline. This is because (i) spreading increases surface area (ii) clothes be

Novosadov [1.4K]

Answer:

this is because spreading it makes more sunlight hit the cloth which results in it drying faster

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2 years ago

Explain how you would decide which represents a greater mass: 3.25 x 1022 atoms of Ca or 2.45 grams of Mg?

elena55 [62]

Answer:

You need to convert the number of atoms of Ca into mass in grams, using Avogadro's number and the atomic mass of Ca.

Explanation:

The amount of matter is measured in grams. Thus, you need to convert the number of atoms of Ca (calcium) into mass to compare with 2.45 grams of Mg.

To convert the atoms of calcium into mass, you divide by Avogadro's number, to obtain the number of moles of atoms, and then divide by the atomic mass of calcium.

1. Number of moles, n

$n=\dfrac{\text{number of atoms}}{\text{Avogadro's number}}\\ \\ \\ n=\dfrac{3.25\times 10^{22}}{6.022\times 10^{23}}=0.053969mol$

2. Mass

mass = number of moles × atomic mass

mass = 0.053969mol × 40.078g/mol = 2.16g

Then, 2.45 g of Mg represent a greaer mass than the 3.25 × 10²² atoms of Ca.

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2 years ago