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julsineya [31]
3 years ago
12

US What is the percent of H in NH3? (H = 1.008 amu, N = 14.01 amu) [?]%

Chemistry
2 answers:
Vlad [161]3 years ago
4 0

Answer:

17.6

Explanation:

Answer is explained above

Nookie1986 [14]3 years ago
4 0
3/17*100=17.6
It would be 17.6%.
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What's the sequence of a single complete engine cycle?
erastovalidia [21]

Answer:

Intake, compression, power, and exhaust

Explanation:

A four-stroke cycle engine is an internal combustion engine that utilizes four distinct piston strokes (intake, compression, power, and exhaust) to complete one operating cycle. The piston make two complete passes in the cylinder to complete one operating cycle.

5 0
3 years ago
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4.6 moles of a gas are at a temperature of 325 K and a volume of 96.8 L, what is the pressure of the ga
andre [41]

Answer:

1.3 atm

Explanation:

Apply the ideal gas law: PV = nRT

Since we need to find the pressure, solve for pressure:

P = nRT / V

Plug in our given values of n = 4.6 moles, R = 0.08206 (ideal gas law constant using atm), T = 325 K, and V = 96.8 L:

P = 4.6(0.08206)(325) / 96.8 = 1.267 atm -> 1.3 atm (two significant figures)

3 0
3 years ago
Can someone please help me with these ASAP
Illusion [34]
Message me for help on this problem
4 0
3 years ago
If 550 mL of a 3.50 M KCl solution are set aside and alowed to evaporate unti the
andrezito [222]

1) list givens and convert if necessary

C₁ = 3.50 mol/L

V₁ = 0.550 L

C₂ = ?

V₂ = 0.275 L

2) rearrange formula

C_{1}V_{1}=C_{2}V_{2}\\\\C_{2}=\frac{C_{1}V_{1}}{V_{2}}

3) solve

C_{2}=\frac{(3.50\ mol/L)(0.550\ L)}{(0.275\ L)}

C₂ = 7.00 mol/L

5 0
3 years ago
3. Which of the following is a property of a metal?
iren [92.7K]

Answer:

the answer would be d. usually dull in appearance

Explanation:

because brittle bendable and poor conductor of heat and electricity are all for the non-metals

5 0
3 years ago
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