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ivann1987 [24]
3 years ago
14

Please help me with this question !!!

Chemistry
1 answer:
Art [367]3 years ago
4 0

Density of the vinegar is higher than the density of the oil.

Explanation:

Density of the vinegar is higher than the density of the oil. The consequence of this is that the oil will be the top layer in the pitcher while the vinegar is at the bottom layer in the pitcher.

When mixing oil and vinegar will not produce a mixture because the oil contains non-polar molecules while vinegar is a solution of acetic acid in water and both of them are polar molecules.

Learn more about:

liquids with different densities

brainly.com/question/9490207

#learnwithBrainly

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The jet stream is one of the key winds that moves air masses. In which direction does the jet stream in the United
s344n2d4d5 [400]

Answer: west to east

Explanation:

6 0
3 years ago
The specific heat capacity of copper is 0.09 cal/g°C. How much energy is needed to flow into a 10-gram sample to change its temp
Anestetic [448]
ΔT = 21º C - 20 ºC => 1 º C

Q = m x C x ΔT

Q = 10 x 0.09 x 1

Q = 0.9 Cal

hope this helps!

7 0
3 years ago
Read 2 more answers
A 1.00 L flask is filled with 1.10 g of argon at 25 ∘C. A sample of ethane vapor is added to the same flask until the total pres
Alex Ar [27]

Answer: a) Partial pressure of argon is 0.673 atm.

b) Partial pressure of ethane is 0.427 atm.

Explanation:

According to the ideal gas equation:'

PV=nRT

P = Pressure of the argon gas = ?

V= Volume of the gas = 1.00 L

T= Temperature of the gas = 25°C = 298 K       (0°C = 273 K)

R= Gas constant = 0.0821 atmL/K mol

n=  moles of gas = \frac{\text {given mass}}{\text {Molar mass}}=\frac{1.10g}{40g/mol}=0.0275moles

P=\frac{nRT}{V}=\frac{0.0275\times 0.0821\times 298}{1.00}=0.673atm

Thus the partial pressure of argon is 0.673 atm.

b) According to Dalton's law, the total pressure is the sum of individual pressures.

p_{total}=p_1+p_2

p_{total}=p_{Ar}+p_{ethane}

1.100=0.673+p_{ethane}

1.100-0.673=p_{ethane}

p_{ethane}=0.427atm

Thus partial pressure of ethane is 0.427 atm.

7 0
3 years ago
The density of gold is 19.3 g/cm3. what volume would 131.2 g of gold have?
Luda [366]
Volume would be 6.79792764 cm³. Just divide 131.2 by 19.3

ρ=Mass/Volume
Volume= mass/density
5 0
3 years ago
A car travels at a speed of 54 km/hr. How many meters will it travel in 1 second?
Lostsunrise [7]

Answer: 15 METERS IN A SECOND

Explanation: 54km = 54000m    54000m / 60 = 900    900/60 = 15

6 0
3 years ago
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