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1. A solar panel is pictured in the photo. When light shines on the panel, it generates an electric current that can be used to recharge the batteries in an electric car.
What types of energy are involved in this setup?
Image copyright JCVStock, 2010.
Used under license from Shutterstock.com
A solar panel.
2. Determine which of the following represent potential energy and which represent kinetic energy.
(a) thermal energy
(b) gravitational energy
(c) chemical energy
(d) electrostatic energy
The neutralization of 50.0 mL of 1.00 M hydrochloric acid with 50.0 mL of 1.00 M sodium hydroxide causes a 6.7°C increase in temperature. Predict how the following changes to the experimental protocol would affect the value of the change in temper..
A 25.0ml aliquot of an aqueous quinine solution was diluted to 50 ml and found to have an absorbance of 0.832at 348nm when measured in a 2.00cm cell
What is the Cro4^2- concentration in a solution that is 0.0375 M in chromic acid and 0.150 M HCl
The rate law for a hypothetical reaction is rate=k[a]2. when the concentration is .10 moles/liter, the rate is 2.7 times 10-5 moles/liter second. what is the value of k?
Calculate the mass of methane that must be burned to provide enough heat to convert 151.0 g of water at 43.0°C into steam at 124.0°C.
What is the enthalpy change for the reverse reaction. Hreverse = kJ/mol. (b) Balance the forward reaction with whole-number coefficients. What is H for the reaction represented by this equation? H = kJ/mol.
2mgo2---2mgoratekmgo221. what is the overall reaction order?2. what are the units of the rate constant k for
A 51.0-mL volume of AgNO3 solution contains 0.0273 mol AgNO3 (silver nitrate). What is the molarity of the solution.
Based on your observations, to what oxidation state did Mn change in each test tube? Fill in the table below.
A 1.00 g sample of an unknown gas occupies 418 mL at 23.0 oC and 715 torr. Calculate the density at 23.0 oC and the molar mass of the gas.
A saturated sodium carbonate solution at 100?C contains 45.5 g of dissolved sodium carbonate per 100. mL of solution. The solubility product constant for sodium carbonate at this temperature is
biacetyl the flavoring that makes margarine taste just like butter is extremely stable at room temperature but at
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