Question about final temperature
Water with a mass of 0.500 rm kg at 15.0^circ rm C is mixed with 0.800 rm kg of water at 35.0^circ rm C. What is the final temperature T_f of the mixture?
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Combustion of 1.031g of a compound containing only carbon, hydrogen and oxygen produced 2.265g if carbondioxide and 1.236g of water. What is the empirical formula for the compound? if the molecuar weight is 180.3g, what is the molecular formula?
What type of electronic probe could be used to determine the pressure inside the balloon
What is the molarity of a solution of silver perchlorate, AgClO4, if 3.2 moles of silver perchlorate is dissolved in 1.5 liters of water? Is it 2.133 M, 4.756 M, 4.8 M, or 4.810 M ?
A solution is prepared by dissolving 17.75 g sulfuric acid, H2SO4, in enough water to make exactly 100.0 mL of solution. If the density of the solution is 1.1094 g/mL, what is the weight % H2SO4 in the solution?
NaoH is approximately 0.1 M. Each titration will use 25.00 ml of KHP (potassium biphthalate). Suppose we want the endpoint of titration to occur at about 20ml of NaOH added. What should be the concentration of KHP?
A balloon is filled to a volume of 7.00 x 102 mL at a temperature of 20.0 oC. The balloon is then cooled at constant pressure to a temperature of 1.00 x 102 K. What is the final volume of the balloon?
A backpacker wants to carry enough fuel to heat 2.2 kg of water from 30 C degree to 100.0 C degree. If the fuel he carries produces 36 kJ of heat per gram when it burns, how much fuel should he carry? (For the sake of simplicity, assume that the t
A voltaic cell consists of Mn/Mn2+ and Cd/Cd2+ half-cells with the following initial concentrations: [Mn2+] = 0.090 M; [Cd2+] = 0.060 M.
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