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If 28mL of 5.2M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid?.
If 3.8 kcal of energy is released when 1 gram of glucose is combusted, calculate how many kcals are released when 0.689 moles of glucose are combusted
A gaseous mixture of O2 and Kr has a density of 1.102 g/L at 420 torr and 300. K. What is the mole percent O2 in the mixture?
The atmospheric pressure 4.The volume for the vapor to occupy above the liquid 5.The temperature of the liquid
how many moles of ethylene glycol should be added to the radiator to lower the freezing point of the water from 0 degrees celcius to -18 degrees celcius?
Two liters of a buffered solution are created from .55 M HC3H5O3 (Ka= 1.3 E-4) and .45 M NaC3H5O3. what is the pH of the solution?
A copper wire (density = 8.96 g/cm3) has a diameter of 0.27 mm. If a sample of this copper wire has a mass of 35 g, how long is the wire?
The enthalpy change for converting 1.00 mol of ice at -50.0 degrees C to water at 70.0 degrees C is ____ Kj. The specific heats of ice, water, and steam are 2.09 J/g-K, 4.18 J/g-k and 1.84 J/g-k, respectively.
Illustrate the structures of the 6 bromoalkenes (with the molecular formula C5H9Br ) that have a branched C chain, and that show neither chirality nor E,Z isomerism.
An open-end manometer containing mercury is connected to a container of gas. The mercury in the arm attached to the gas is 13.6cm higher than the one open to the atmosphere.
If 100.0J of energy are added to 25.0g of water at 50 degrees celcius,what will the final temperature of the water be?
A chemistry student needs 80.0mL of acetone for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of acetone is 0.790g cm^-3.
Write the corresponding ionic and net ionic equations after Balancing these given equations
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