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I am Lyosha [343]
3 years ago
14

__Ca(OH)2 + __ (NH4)2SO4 ----- > ___CaSO4 + ___NH3 + __H2O A)11 B)5 C)7 D)9

Chemistry
1 answer:
katovenus [111]3 years ago
6 0
There would be a 2 infront of the NH3 and and 2 Infront of the H2O
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vanillin is a flavoring agent in vanilla it has a mass percent composition of 61.15% c,5.3%H,31.55% o determine the empirical fo
Nutka1998 [239]

The empirical and molecular formulas will be  C_5H_5O_2 and  C_1_0H_1_0O_4 respectively.

<h3>Empirical and molecular formula</h3>

The compound contains C, H, and O.

C = 61.15/12 = 5.0958

H = 5.3/1 = 5.3

O = 31.55/16 = 1.9719

Divide by the smallest

C = 2.6

H = 2.7

O = 1

Thus, the empirical formula is C_5H_5O_2

Empirical formula mass = (12x5) + (1x5) + 16x2 = 97

n = 152.15/97 = 2

The molecular formula is C_1_0H_1_0O_4

More on molecular and empirical formulas can be found here: brainly.com/question/14425592

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2 years ago
An alloy is made up of more than one type of what?
pychu [463]
More than one type of metallic elements.
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3 years ago
Is the first part "kilo" from the word kilograms a suffix, prefix or unit???​
Nikolay [14]

Answer:

Kilo is a prefix

Explanation:

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Well I'm sure many a time you've seen on some science experiment someone wrap a copper wire around a nail well thats generally the idea for electromagnets you get a solid piece of iron which is the only metal that is magnetic and you wrap a copper wire around it and the idea is to make two opposing magnetic poles by aligning the molecules with a electrical charge (a battery) so now with all three pieces assembles you have a copper wire attached to two sides of a battery and wrapped around a nail
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What are some factors that affect an element's reactivity?
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From what there’s nothing there? :)
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