Which of the following would have the highest lattice energy?

Chemistry

1 answer:

Ilia_Sergeevich [38]3 years ago

4 0

Answer:

MgN3

Explanation:

In MgN3 the charge on the ionic species is greater than NaCl. So,ionic interactions in MgN3 will be stronger

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Complete each sentence using the drop-down menus.

kirill115 [55]

Answer:

Desertification mainly impacts land resources.

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The burning of fossil fuels can cause smog and acid rain.

Explanation:

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4 years ago

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A steel block has a volume of 0.08 m³ and a density of 7,840 kg/m³. What is the force of gravity acting on the block (the weight

Rama09 [41]

Correct Answer: Option a. 6150.64 N

Weight (w) is defined as:

w = mg

So, first we need to find the mass (m) of the steel block using its volume and density.

Mass = Density x Volume
So,
m = 0.08 x 7840 = 627.2 g

Using value of m and g = 9.807, we get

w = 627.2 x 9.807 = 6150.95 Newtons

Therefore, option a is the correct answer.
The slight difference is because the value of g is rounded of to 3 decimal cases.

6 0

3 years ago

Which of the following occurs when a large nucleus is split apart?

grin007 [14]

Answer: The correct answer is <u>''fission</u>'' it occurs when a large nucleus is split apart.

3 0

3 years ago

How many CO2 molecules exist in the following reaction? C3H8 + 5O2 >>> 3CO2 + 4H2O

azamat

Answer:

21.0g of CO2

Explanation:

6 0

2 years ago

A sample of Freon-12 (CF2Cl2) occupies 2.842 x 101 L at 331 K and 2.525 x 102 kPa. Find its volume (in L) at standard temperatur

Angelina_Jolie [31]

We have to first find the number of moles of Freon-12 in the sample using the ideal gas law equation
PV = nRT
n = $\frac{PV}{RT}$
since the number of moles at both conditions given and at stp we can write the following formula
$\frac{P1V1}{RT1} = \frac{P2V2}{RT2}$
where parameters for the given conditions are on the left side and parameters for STP conditions are on the right side of the equation
where P1 - pressure - 252.5 kPa
V1 - volume - 28.42 x 10⁻³ m³
R - universal gas constant
T1 - 331 K

STP conditions
P2 - 101 325 Pa
T2 - 273 K

substituting these values in the equation

$\frac{252 500Pa*28.42*10 ^{-3}m^{3} }{R*331K} = \frac{101325 Pa*V}{R*273 K}$

V = 58.41 L
Volume at STP is 58.41 L

3 0

3 years ago