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ivolga24 [154]
3 years ago
10

Trevor dropped a bit of olive oil on the kitchen floor while he was cooking. Later, his mother slipped on the spot where he drop

ped the oil and fell.
What can Trevor infer based on his observations?
A.
Trevor's mother slipped on the spot where he dropped the oil.
B.
Olive oil can be used as an adhesive between two solid objects.
C.
The oil reduced the friction between the floor and his mother's foot.
D.
The oil increased the gravitational force on his mother's foot.
Chemistry
2 answers:
anastassius [24]3 years ago
8 0
The correct answer is C
Korolek [52]3 years ago
5 0

Answer:

C.

The oil reduced the friction between the floor and his mother's foot. Im not 100% sure though! :)

Explanation:

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Find the mass of 3.02 mol Cl2.<br> Answer in units of g.
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What characteristics of a metallic bond explains some of the properties of metals
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Answer:

See Explanation

Explanation:

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3 years ago
Alchemist made which of the following contributions to the development of chemistry?
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6 0
3 years ago
How many grams of XeF6 are required to react with 0.579 L of hydrogen gas at 4.46 atm and 45°C in the reaction shown below?
natka813 [3]

Answer:

8.1433 g of XeF₆  are required.

Explanation:

Balanced chemical equation;

XeF₆ (s) + 3H₂ (g)   →  Xe (g) + 6HF (g)

Given data:

Volume of hydrogen = 0.579 L

Pressure = 4.46 atm

Temperature = 45 °C (45+273= 318 k)

Solution:

First of all we will calculate the moles of hydrogen

PV = nRT

n = PV/ RT

n = 4.46 atm × 0.579 L / 0.0821 atm. dm³. mol⁻¹. K⁻¹ × 318 K

n = 2.6 atm . L / 26.12 atm. dm³. mol⁻¹

n = 0.0995 mol

Mass of hydrogen:

Mass = moles × molar mass

Mass =  0.0995 mol × 2.016 g/mol

Mass =  0.2006 g

Now we will compare the moles of hydrogen with XeF₆ from balance chemical equation.

                                         H₂   :  XeF₆

                                          3    :    1

                                 0.0995   : 1/3× 0.0995 = 0.0332 mol

Now we will calculate the mass of XeF₆.

Mass = moles × molar mass

Mass = 0.0332 mol × 245.28 g/mol

Mass = 8.1433 g

4 0
3 years ago
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