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sesenic [268]
3 years ago
11

Balance the equation: Ca(NO3)2 = CaO + NO2 + O2

Chemistry
1 answer:
Jlenok [28]3 years ago
3 0

Explanation:

caO(NO3)2= CaO+4NO2+O2

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To produce large tomatoes that are resistant to cracking and splitting some seeds companies use the pollen from one variety of t
rodikova [14]

Answer:

cross pollination

Explanation:

is when two types of plants are mixed to create a better or hardier plant

4 0
4 years ago
How do you convert between the volume of a gas at STP and the number of moles of the gas?
Naya [18.7K]
Standard temperature and pressure (STP) means a temperature of 0°c and a pressure of 1 atmosphere (atm). The molar gas volume is used to convert between the number of moles of a gas and the volume of the gas at STP. One mole of a gas occupies a volume of 22400 cm³ or 22.4 liters at STP according to the molar gas volume.
6 0
3 years ago
g All of the molecules below have polar bonds but only one of the molecules is a polar molecule. Which one is a polar molecule?
lbvjy [14]

Answer: NF_3

Explanation:

Geometrical symmetry of the molecule and the polarity of the bonds determine the polarity of the molecule.

The molecule that has zero dipole moment that means it is a geometrically symmetric molecule and the molecule which has some net dipole moment means it is a geometrically asymmetric molecule.

As the molecule is symmetric, the dipole moment will be zero as dipole moments cancel each other and the molecule will be non-polar.

As the molecule is asymmetric, the dipole moment will not be zero and the molecule will be polar.

Example: NF_3

Thus, we can say that NF_3 is a polar molecule.

4 0
3 years ago
The ideal gas law tends to become inaccurate when:
Maslowich

Answer:yes

Explanation:

4 0
3 years ago
A gaseous mixture contains 5.0 moles of nitrogen and 10.0 moles of helium . What is the total pressure if the temperature is 25
jolli1 [7]

Answer:

A) 122 atm

Explanation:

PV = nRT

Solve for P --> P = nRT/V

n = 10.0 mol + 5.0 mol = 15.0 mol

R = 0.08206 L atm / mol K

T = 25 + 273 = 298 K

V = 3.0

P = (15.0)(0.08206)(298) / (3.0) = 122 atm

6 0
3 years ago
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