Methane gas burns in the presence of oxygen according to the equation below. How much heat is released when 12.0 g of methane are burned in excess oxygen assuming the pressure is constant

24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.