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Suppose the current flowing from a battery is used to electroplate an object with silver. Calculate the mass (in grams) of silver the would be deposited by a battery that delivers 1.25 A/hr of charge.
The balences in the lab can weigh a maximum of 220.000 g at once. if a beaker has a mass of 86.4329 g, what is the maximum volum of water
What is molality of a 1.22 M solution of sugar (C12H22O11)? The density of the solution is 1.12 grams/ml 2- Which of the following in each pair with be more soluble in water?
A flexible container contains 1.50 L of gas at 25 degrees Celcius. What is the new volume when the container is heated to 100 degrees Celcius?
When she introduced 3.63E-2 moles of N2(g) and 6.18E-2 moles of H2(g) into a 1.00 Liter container, she found the equilibrium concentration of NH3(g) to be 9.68E-4 M.
70g of ice at 0 degrees celcius. is added to 355mL of water at 25 degrees celcius. Find the final temperature of the water when the ice is fully melted
A compound that contains only C and H was burned in excess O2 to give CO2 and H2O. When 0.270 g of the compound was burned, the amount of CO2 formed reacted completely with 20.0 mL of 2.00 M NaOH solution according to the equation:
what was your sampling rate to the nearest 1 ml/min over a four hour sample period if you collected 35 mg of carbon tetrachloride from a known concentration of 150 PPM?
a balloon contains 0.76 mol N2, 0.18 mol O2, 0.031 mol He and 0.026mol H2 at 739 mmHg. what is the partial pressure of O2?
Assume that the partition coefficient, K, for partitioning of compound A between diethyl ether and water is 3; that is, A preferentially partitions into ether.
The water temperature before the reaction was 34.5°C, and after the reaction it had risen to 52.0°C. How many moles of water were formed?
List the different strengthening mechanisms and identify the ones that would not apply to pure elemental materials
A 4.867 g sample of a monoprotic acid was dissolved in water. It took 30.24 mL of a 0.1578 M NaOH solution to neutralize the acid. Calculate the molar mass of the acid.
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