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KiRa [710]
3 years ago
12

How many grams are equal to 413 kg

Chemistry
2 answers:
vladimir2022 [97]3 years ago
7 0

Answer:

413,000

Explanation: That's because 1 kg equals to 1,000 grams.

notka56 [123]3 years ago
3 0

Answer:

413,000 grams

Explanation:

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a sample of ammonia liberates 5.66 kj of heat as it solidifies at its melting point . what is the mass of the sample?
Reil [10]
The correct answer for the question that is being presented above is this one: "<span>16.728 g."</span>

Given that 
ΔHsolid = -5.66 kJ/mol.
This means that 5.66 kJ of heat is released when 1 mole of NH3 solidifies 

When 5.57 kJ of heat is released
amount of NH3 solidifies = 5.57/5.66 = 0.984 moles 

<span>molar mass of NH3 = 17 g/mole </span>
<span>1 mole of NH3 = 17 g </span>
So, 0.984 moles of NH3 = 17 X 0.984 = 16.728 g
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3 years ago
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Ivanshal [37]
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OLEGan [10]

Answer: Formula is C4H8O. In every branch of line formula there are Carbon atom. Carbon makes 4 bonds so In branch left in which two CH3-groups are attached there are also an Hydrogen aton which is not shown.

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Hydrocarbons contains only Carbon and Hydrogen atoms, Organic molecules can contain also other atoms.

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5 0
3 years ago
Predict the formula for a compound made from X3 and Y3–.
PolarNik [594]
Well, a compound has a total charge of 0. So, it's electrically neutral. Since the X is 3+ and the Y is 3- they add to 0. Meaning no subscripts are necessary. Why don't you try a different combo?

Like: 

A^3 and B^1-, to get a 3- charge you need 3xB^1- so the formula is AB3

Does this help?  
3 0
4 years ago
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1
klemol [59]

Answer:

D. Saline

Explanation:

coz it's saline

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