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The specific heat capacity of a substance is 0.62 J/(g?K) and its molar mass is 225 g/mol. Find its molar heat capacity.
Zn(s) + 2AgNO3(aq) --> 2Ag(s) + Zn(NO3)2(aq) When 216 g of silver was produced, determine the mole(s) of silver nitrate would be required.
how many milliliters of .1229 M NaOH are needed to completely neutralize 50.00mL of .1012M H2SO4 solution
Express the hamiltonian operator for the internal motion of Li atom and the proper expression for the approximate
Bronze is an alloy consisting of 88.0% copper and 12.0% tin. The density of copper is 9.28 g/mL and the density of tin is 7.48 g/mL. Calculate the approximate density of bronze.
Where on the modern periodic table would you probably find an element that is a dense gas at room temperature? EXPLAIN 3) What should be the most metallic element?
The aqueous solution was subsequently treated with an excess of AgNO3 solution and the AgCl precipitated was collected and weighed. its mass was 2.022 grams of AgCl.
Benzene has a heat of vaporization of 30.72 kj/mol and a normal boiling point of 80.1 degrees celsius. At what temperature does benzene boil when the external pressure is 415 torr?
A circular colony of mold with diameter of 4.8 cm and density of 0.0023 g/cm2 what is the mass of object
A total of 2.00 mol of a compound is allowed to react with water in a foam coffee cup and the reaction produces 180g of solution. The reaction caused the temperature of the solution to rise from 21.0 to 24.7degrees Celsius
Describe how this observation is consistent with the law of conservation of charge.
What mass of oxygen will react with 2.64g of magnesium? 2Mg(s)+O2(g)-->MgO(s)
If the protein has a molecular weight of 15,000, express its initial concentration in umoles/ml and in umoles/ul. If we want 2 umoles of the protein for a reaction, how much of the original solution do we need
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