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A 3.44 g sample of aluminum pellets (specific heat capacity = 0.89 J °C-1 g-1) and a 10.00 g sample of iron pellets (specific heat capacity = 0.45 J °C-1 g-1) are heated to 100.0°C. The mixture of hot iron and aluminum is then dropped into 95.7 g of water at 20.0°C. Calculate the final temperature of the metal and water mixture, assuming no heat loss to the surroundings.
50.0 ml of 2.00M H2SO4 react with 75.O ml of 2.00M NaOH.Identify the limiting and excess reactants.
Calculate the minimum wavelength of light (in nm) that could break an oxygen-oxygen double bond given that it takes 499 kJ to break on mole of these bonds.
What is the magnetic field strength of the NMR system in Tesla? Show all equations and explain. c) Are the resonances of A and B well enough resolved to be able to measure the relative concentrations by NMR? Explain reasoning.
What are two primary advantages of using nuclear power? Uranium reserves on our planet are 5 million metric tons.
the reaction of concentrated hydrochloric acid with zinc metal -the reaction of solid strontium carbonate with nitric acid
What is the molarity of the resulting solution when 28.249 g of Mn(ClO4)2 · 6 H2O are added to 550.0 mL of water?
The product of this reaction, ozone, is a pollutant in the lower atmosphere. Ozone is an eye and lung irritant and also accelerates the weathering of rubber products. write Lewis strucktures of each of the reactants and products in the preceding r..
To what volume should you dilute 150 mL of an 8.00 M CuCl_2 solution so that 55.0 mL of the diluted solution contains 5.9 g CuCl_2
Consider the reaction CaCN2 + 3 H2 O → CaCO3 + 2 NH3 . How much CaCO3 is produced if 47.5 moles NH3 are produced?
At 450 K the rate constant is 15.4 atm-1s-1. How much time (in s) is needed for NOCl originally at a partial pressure of 46 torr to decay to 25.8 torr?
A 1.000 mol sample of propane, a gas used for cooking in many rural areas, was placed in a bomb calorimeter with excess oxygen and ignited. The initial temperature of the calorimeter was 25.000°C and its total heat capacity was 96.94 kJ·°C-1. The ..
A tank contains helium for filling balloons. It holds 6.75 L of He at 49.6 atm and 25.1 °C. What would be the volume of this helium at 1.66 atm and 10.7 °C
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