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Boyle’s law states that the volume of a gas is inversely proportional to the pressure if the temperature is held constant.

A gas has a volume of 784.4 mL when the pressure is 1.91 atm. What is the volume (in mL), to one decimal place, if the temperature remains constant and the pressure is increased to 4.86 atm?

Please helppppppp

Heat loss through fiberglass insulation varies directly only with time and inversely with fiberglass thickness.

If the energy lost as heat through 47.6 cm of fiberglass is 772 kJ in 13 minutes when the atmospheric pressure is 1.01 atm, what is the loss (in joules), to the nearest whole number, through 12.0 cm in 357 minutes when the atmospheric pressure is 1.23 atm?

Adam and Justin had a total of 764 marbles. They used some of their marbles to make a marble track each and keep the remaining marbles. Adam had 1/3 as many marbles remaining as Justin after making their marble tracks. The number of marbles Justin used to make his marble track was 63 more more than what he had left. Justin used 3 times as many marbles is Justin to make his marble track. How many marbles did Adam have at first?

1. The area of a window of a car is 148 cm^2 ona drawing having a scale of 1:6. Find the actual window area in square meters. Type your answer to 2 decimal places.