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Define molecular mass and molar mass. What are the differences between them?
If the copper is drawn into wire whose diameter is 8.50 mm, how many feet of copper can be obtained from the ingot? The density of copper is 8.94 rm{g/cm^3}.
Calcium sulfate is sparingly soluble in water. describe and explain what would you see when few cm^3 of concentrated of Na2SO4 (aq) were added to a solution of CaSO4 (aq).
how many electrons in a ground-state atom of manganese have an mt value of -1? A.7 B.5 C.3 D.1
The hydrogen gas bubbled through water for collection and becomes saturated with vapor water. Suppose 240. mL of hydrogen gas is collected at 40.0 C and has a total pressure of 1.030 atm by this process, How many grams of zinc must have reacted to..
Question- Calculate the concentration of all species in a 0.050 M selenous acid solution. These species include [H3O+], [HSeO3^-1], [H2SeO3], and [SeO3^-2]. For selenous acid, Kal = 2.3 x 10^-3 and Ka2 = 5.3 x 10^-9
How many carbon dioxide molecules are generated by the combustion of one molecule of hexane (C7H14) in ample oxygen?
You are given a crushed sample that is a mixture of limestone (CaCo3), lime (CaO), and sand. The calcium carbonate, limestone, is the only material present in the material that will decompose when heated
The PH of 0.1 M MCL ( M+ Iis unknown cation ) was found to be 4.7. write an net ionic equation for the hydrolysis of M+ and it's corresponding equilibrium expression Kp . Calculate the value of KP
For a particular reaction, ?H° is 55.4 kJ and ?S is 94.1 J/K. Assuming these values change very little with temperature, over what temperature range is the reaction spontaneous in the forward direction
which of these configurations are in the excited state mark all that apply 1s2 2s1 1s2 2s2 2p3 ne 3s2 3p3 4s1 ne 3s2
Discuss the effects of regular insulin and insulin Aspart and the priority nursing considerations when caring for clients taking this drug?
A 1.5991 g sample of a hydrocarbon is combusted to give 1.6918 g of H2O and 5.1661 g of CO2. What is the empirical formula of the compound
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