A gas absorbs 3.4 kJ of heat and does 1.9 kJ of work. Calculate ΔE

Oil leaks out of a tanker at a rate of r=f (t) r=f (t) liters per minute, where tt is in minutes. if f (t) = ae-ktf (t) = ae-kt, write a definite integral expressing the total quantity of oil which leaks out of the tanker in the first hour.

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The greeks believed that fire was a state of matter. how did atomists describe fire?

1. The red light associated with the aurora borealis is emitted by excited oxygen atoms. This light has and energy wave that has a wavelength that measures 630.0 nm. a. What is the frequency of the light? b.

What are 7 elements from the periodic table that are named after objects in outer space?

Considering the following precipitation reaction: Pb (NO3) 2 (aq) + 2KI (aq) → PbI2 (s) + 2KNO3 (aq) Which ion would NOT be present in the complete ionic equation?

What does the symbol C p stand for?

Which of the following is not true of science? 1. Science offers proof of a claim 2. Science is a way of knowing 3. Science is a process 4. Science provides support or fails to provide support to claim

What happens to the velocity of a sound wave in air if the temperature of the air increases

Determine the [oh-] concentration of a 0.741 m koh solution at 25°c.