Answer: $46.98
Explanation:
The distance to drive to Los Angeles from San Francisco is 405 miles. Since the car get 25 miles per gallon of gas, for 405 miles, the car will use:
= 405/25 = 16.2 gallons
Since the cost of gasoline is $2.90 a gallon and the car will use 16.2 gallons. The cost will be:
= $2.90 × 16.2 gallons
= $46.98
D.
both are stated to be in aqueous solutions by the (aq)
C. Convection currents in the air
Explanation:
Near the shore, winds tends to blow out towards the water at night and this is driven by convection currents in the air.
Convection occurs in fluids. Since we are dealing with wind, therefore, it is convection in air.
- At night, the air on land is cold and under high pressure.
- The shore area is able lose and gain heat very fast.
- At night, since the shore is cold, the air around is cold too.
- The ocean has high heat capacity and does not lose or gain heat easily.
- At night, it still retains come of its heat.
- This causes nearby winds to warm up, becomes less dense and rises.
- The wind here is moves towards the cold land
- The breeze on land moves outwards towards the ocean.
- This will then set up convection currents.
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<span>570 torr.
The ideal gas law is
PV = nRT
where
P = pressure
V = volume
n = number of moles of gas particles
R = Ideal gas constant
T = absolute temperature
Since the value n, R, and T remain constant for this problem, that indicates that if the volume is doubled, the pressure will be halved. So the new pressure will be 1.50 atm / 2 = 0.750 atm. Now we just need to convert that from atm to torr. 1 atm is equal to 760 torr, so 0.750 atm * 760 torr/atm = 570 torr.</span>
