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What is the temperature change in Celsius when 29.5 L of water absorbs 2.3 kWh of heat? Please show me the formula needed to solve this and what the answer is please.
Many drugs are high-molecular-weight amines that are weak bases. Such amines are not soluble in water, which limits the ways they can be administered and means that they are not soluble in body fluids such as blood plasma and cerebrospinal fluid
Phenol (C6H5OH, also called carbolic acid) has a pKa of 9.89. It is used to preserve body tissues and is quite toxic. Calculate the percent ionized in 0.0503 M phenol--a dilute solution.
Exactly 150mL of 0.13M HNO2 is titrated with 100mL of 0.13 M NaOH. What is the pH at the endpoint.
A scientist has a sample of gas that was collected several days earlier. The sample has a volume of 392 cm3 at a pressure of 0.987 atm and a temperature of 21°C. On the day the gas was collected, the temperature was 13°C and the pressure was 0.992..
The initial temperature of the calorimeter is 23.0. If 6.30 of is added to the calorimeter, what will be the final temperature of the solution in the calorimeter?
randk the following solutions in order of increasing pH of their 0.1M aqueous solutions - KNO3, K2SO3, K2S
Question- At a certain temperature the equilibrium constant for the following chemical equation is 4.00. At this temperature, calculate the number of moles of NO2(g) that must be added to 2.20 mol of SO2(g) in order to form 1.00 mol of SO3(g) at e..
A gas sample heated in a cylinder uses 650kJ of heat. A piston that compresses the gas does 800kJ of work. What is the change in internal energy of the gas during this process
Suppose that 180 g of ethanol at 26 ? C is mixed with 225 g of ethanol at 83 ? C at constant atmospheric pressure in a thermally insulated vessel.
What products would you expect from the reaction of 1 mol of 1,3-butadiene and each of the following reagents? (If no reaction would occur, indicate that as well.)
how many liters of gas would be formed at 510 degrees c and 1.00 atm pressure by explosion of 405g of nh4no3 ?given the
When 7.00 moles of gas A and 3.00 moles of gas B are combined, the total pressure exerted by the gas mixture is 1.0 atm. What is the partial pressure exerted by gas A in this mixture?
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