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maxonik [38]
3 years ago
13

An observer on the North Pole seize the moon as shown below what moon phase will she observe a week later

Chemistry
2 answers:
Kisachek [45]3 years ago
3 0
Lunar maybe is the right answer
EastWind [94]3 years ago
3 0

Answer:

D: New Moon

Explanation:

Just took the test.

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The formula C2H4 can be classified as both a molecular formula and an empirical formula. The answer is number 4.

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3 years ago
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The crater is the bowl-shaped area around a volcano’s central vent. t/f
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What kind of intermolecular forces between an ammonia molecule and a water molecule? Note: there is more than one type of interm
dimaraw [331]

Answer:

hydrogen bonding

Explanation:

Dipole-Dipole, Dispersion, hydrogen bonding and ion bond

5 0
3 years ago
If 8 g of ammonium hydroxide is completely decomposed by the reaction below in a closed container with a total volume of 5.oo L
Alla [95]

Answer:

1 atm

Explanation:

Step 1: Write the balanced equation

NH₄OH(aq) ⇒ H₂O(l) + NH₃(g)

Step 2: Calculate the moles corresponding to 8 g of NH₄OH

The molar mass of NH₄OH is 35.04 g/mol.

8 g × 1 mol/35.04 g = 0.2 mol

Step 3: Calculate the moles of NH₃ formed from 0.2 moles of NH₄OH

The molar ratio of NH₄OH to NH₃ is 1:1. The moles of NH₃ formed are 1/1 × 0.2 mol = 0.2 mol

Step 4: Calculate the pressure of 0.2 moles of NH₃ in a container of 5.00 L at 25 °C (298 K)

We will use the ideal gas equation.

P × V = n × R × T

P = n × R × T / V

P = 0.2 mol × 0.0821 atm.L/mol.K × 298 K / 5.00 L

P = 1 atm

7 0
3 years ago
Which statements describe density? Check all that apply.
MrRa [10]

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8 0
3 years ago
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