Whitney is making sweet tea. She adds 15 grams of

Chemistry

1 answer:

Wittaler [7]3 years ago

8 0

Answer:

the mass of the sugar would stay the same i think.

Explanation:

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How many electrons are present in 4He2+?

Charra [1.4K]

4 and 2 electrons are present.

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3 years ago

How many grams hydrogen in 4.5 mol H2SO4

swat32

H2SO4 ---> 2H^+ + SO4^2-

Hence n H+ = 9 mols

Mass of H = nM = (9*1) = 9g

Alternately

mass of H2SO4= nM= 4.5*98= 441

Mass of H= mass h2so4 * molar mass of H/molar mass of h2so4
Mass of H= 441 * 2/98 = 9g

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3 years ago

Fill in the blank: You can find the number of __________ in any atom by subtracting the atomic number from the mass number.

Shtirlitz [24]

B is true if we subtract atomic number(the number of protons )from the mass number
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3 years ago

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aleksley [76]

Answer:

1. relative time

2.absolute time

Explanation:

Time that is measured in definite periods such as minutes, days, and years is called

a. Relative time.

b. absolute time.

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3 years ago

Nickel and carbon monoxide react to form nickel carbonyl, like this: (s)(g)(g) At a certain temperature, a chemist finds that a

horsena [70]

The question is incomplete, here is the complete question:

Nickel and carbon monoxide react to form nickel carbonyl, like this:

$Ni(s)+4CO(g)\rightarrow Ni(CO)_4(g)$

At a certain temperature, a chemist finds that a 2.6 L reaction vessel containing a mixture of nickel, carbon monoxide, and nickel carbonyl at equilibrium has the following composition:

Compound Amount

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CO 1.98 g

$Ni(CO)_4$ 0.597 g