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The specific heat of copper is 0.092 cal/g oC. Show that the amount of heat needed to raise the temperature of a 10 gram piece of copper from 0oC to 100oC is 92 calories.
balance the following equationcus agno3aq ags cuno32aqs and aq in parantheses refers to the phase of the reactants
a gas sample occupies a volume of 396 ml at a pressure of 1.28 atm and 72 degree celsius. compute the volume of the gas
In a particular titration experiment a 25.0 mL sample of an unknown monoprotic acid required 30.0 mL of .200 M NaOH for the end point to be reached. What is the concentration of the acid?
what is the form of the integrated rate law which will produce a straight line if the reaction shown in the equation (dye(aq)+NaOCl(aq) ---> colorless products (aq)) is 0th order with respect to [dye]? 1st order with respect to [dye]? 2nd order wi..
If 50.00mL of propylene glycol has am ass of 51.80g, what is its density in SI units (kg/m^3).
high boiling point are obtained now you need to identify the limiting reagent and compute the percent yield of nitrobenzene
a chemical reaction produced .311 g sample of gas which occupied 225 mL at 55 degrees C exerting a pressure of 86 mm Hg. what is the molar mass of the gas?
Consider the following reaction: A(g)= B(g)+C(g) Find the equilibrium concentrations of A, B, and C for each of the following different values of Kc. Assume that the initial concentration of A in each case is 1.0 M
how does the hammonds postulate explain?a. the greater selectivity for bromination vs. chlorination of an alkane?b. the
A student used the (CH3COOH) solution prepare in question 2 to titrate 25.00mL of 0.1246M of calcium hydroxide solution, what volume of CH3COOH solution was required for the titration
Express your answers using two significant figures. Enter your answers numerically separated by commas. [HCO2H], [HCO?2], [H3O+], [OH?] = Part C Also calculate the percent dissociation. Express your answer using two significant figures.
a melting point of 328.0 Celsius degrees, and a heat of fusion of 5.5 kcal/kg. How much heat must be provided to melt a 250.0 kg sample of lead with a temperature of 20.0 Celsius degrees
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