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aliina [53]
3 years ago
7

1. Convert 67500 mg to the unit hg

Chemistry
1 answer:
Mice21 [21]3 years ago
4 0

Answer:

0.675

Explanation:

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6. Which example has BOTH ionic and covalent bonds? *
Fed [463]

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It’s either A or D  buttttt probably d

Explanation:

7 0
3 years ago
EASYYYYY!!!!!!!!
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crop rotation, green manure, and bone meal

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Calculate number of moles of 4.4g of CO2 and 5.6L of NH3 . Pls help . Its urgent
kupik [55]
Moles of CO₂ = mass / molecular weight
Moles of CO₂ = 4.4 / (12 + 16 x 2)
Moles of CO₂ = 0.1 mol

Each mole of gas occupies 22.4 L at STP. Therefore,
Moles of NH₃ = 5.6 / 22.4
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4 0
3 years ago
How many Joules of heat would be required
mote1985 [20]

Heat would be required  : 1,670 J

<h3>Further explanation</h3>

Given

mass of H₂O=5 g

Required

Heat to melt

Solution

The heat to change the phase can be formulated :

Q = m.Lf (melting/freezing)

Lf=latent heat of fusion

The heat of fusion for water at 0 °C : 334 J/g

Input given values in formula :

\tt Q=5\times 334=\boxed{\bold{1,670~J}}

4 0
3 years ago
What conversion factor is needed to calculate the number of atoms in 8.6 moles of Aluminum?
Rudiy27

Answer:hey did you ever get an answer? I need it for this exam

Explanation:

7 0
2 years ago
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