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How much heat energy is required to raise the temperature of 0.367 kg of copper from 23.0 degrees C to 60.0 degrees C? The specific heat of copper is 0.0920 cal/(g*C)
a student titrates 50.0ml of apple juice and reports the following in the titration to the phenolphthalein end point with 0.1011 M NaOH.
Determine the partial pressure of Ar, argon gas in the flask and A flask is filled with 1.20 of argon Ar gas at the temperature of twenty five degree Celsius.
A 1 L solution of 1.5 M acetic acid and 1.5 M sodium acetate has a ph of 4.74. 10 ml of 0.1 M NaOH were added to the solution followed by the addition of 50 ml of 0.02 M HCl.
Titrations: Finding Concentration, A 35.00 mL solution containing an unknown concentration of pyruvic acid required 25.13 mL of 0.2011 M NaOH to reach the end point.
Iron has a density of 7.9 g/ cm3. What is the mass of a cube of iron with the length of one side equal to 55.0 mm.
1.0 mol of CaCN2 and 1.0 mole of water are mixed together: CaCN2 + 3 H2O → CaCO3 + 2 NH3 How much NH3 could be produced?
what is the mass in grams of solid sulfur,S8 required to produce 25.50g of Cu2S(s) according to the balanced equation.
What is the approximate Na+ ion concentration in a 0.75 M Na2CO3 solution? a. 0.375 M b. 0.75 M
We have a 100mL 0.2M AgNO3 solution and a 100mL 0.2M CH3COONa solution. Please describe how to prepare a 35 mL mixture solution containing 60mM AgNO3 and 140mM CH3COONa?
Protons can be accelerated to speeds near that of light in particle accelerators. Estimate the wavelength (in nm) of such a proton moving at 2.90 X 108 m/s. (Mass of a proton=1.673 X 10-27 kg)
How many grams of CH3OH must be added to water to prepare 150mL of a solution that is 2.0 M CH3OH?
In the reaction between glucose and oxygen 10.0 g of glucose reacts and 7.50 L of carbon dioxide is formed. What is the percent yield if the density of CO2 is 1.26 g/L?
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