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3 years ago

Guanidin HNC(NH2)2 is a fertilizer. What is the percent by mass of nitrogen in the fertilizer

Chemistry

1 answer:

Katyanochek1 [597]3 years ago

7 0

Answer:

71.1%. , is a fertilizer.

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Discovered electrons have fixed amounts of energy and orbit the nucleus similar to planets? A. John dalton B. J.J. Thomson C. Er

Fantom [35]

I think is letter c thanks

6 0

3 years ago

Need help !!!!! ASAP

Julli [10]

<h2>Hello!</h2>

The answer is:

The new volume will be 1 L.

$V_{2}=1L$

To solve the problem, since we are given the volume and the first and the second pressure, to calculate the new volume, we need to assume that the temperature is constant.

To solve this problem, we need to use Boyle's Law. Boyle's Law establishes when the temperature is kept constant, the pressure and the volume will be proportional.

Boyle's Law equation is:

$P_{1}V_{1}=P_{2}V_{2}$

So, we are given the information:

$V_{1}=2L\\P_{1}=50kPa\\P_{2}=100kPa$

Then, isolating the new volume and substituting into the equation, we have:

$P_{1}V_{1}=P_{2}V_{2}$

$V_{2}=\frac{P_{1}V_{1}}{P_{2}}$

$V_{2}=\frac{50kPa*2L}{100kPa}=1L$

Hence, the new volume will be 1 L.

$V_{2}=1L$

Have a nice day!

4 0

3 years ago

Predict whether each of the following molecules is polar or nonpolar? 1. XeF4 3. CCl4 5. CH3Br

denpristay [2]

The answer the following are as follows:

<span> 1. XeF4 - molecules are polar

3. CCl4 - molecules are polar

5. CH3Br - molecules are non-polar

I hope my answer has come to your help. God bless and have a nice day ahead!</span>

5 0

3 years ago

The symbols from the list and match them with the names of the

stich3 [128]

Be - Beryllium
S - sulfur
K - Potassium
C - Carbon
B - Boron
Ar - Argon
O - oxygen
Ne - Neon
Ca - Calcium
H - Hydrogen

3 0

3 years ago

Balance this equation and determine what the coefficients should be.

11Alexandr11 [23.1K]

Answer:

1, 2, 1, 1

Explanation:

3 0

3 years ago