Is [h3o +] = 1.0× 10−7 m true of acidic, basic, or neutral solutions at 25◦c?

5. how can you decrease the pressure of a gas in a container without changing the volume of the gas?

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While in europe, if you drive 125 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your car’s gas mileage is 32.0 mi/gal? assume that 1 euro=1.26 dollars