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if 100 ml of 3m hcl is spilled on a lab bench, what is the minimum mass od sodium bicarbonate that must be used to neutralized the acid?
A sample of gas occupies 7 ml at stp. at what pressure would this sample occupy 500 ml if the pressure was changed to 525 degrees c?
a 70g piece of ice at 0c is added to a sample of water at 8c, all of the ice melts and the temp of the water decreases to 0c, how many grams of water were in the sample?
In what direction do the functions point? What orbitals are"left" unused on the C atom?
Using the following equation: 2AgNO3+MgBr2->2AgBr+Mg(NO3)2 calculate the moles of silver bromide and magnesium nitrate produced by 85 mol of magnesium bromide reacting with silver nitrate.
Evaluate the energy of an electron excited from a hydrogen atom using Bohr's model. Determine the maximum wavelength of energy needed to observe a photoelectric effect for potassium.
What volume in mL of 0.075 M NaOH is required to neutralize the following solutions? A. 200 mL of a 0.0500 M H2C2O4(diprotic acid) solution.
30.0 mL of 0.150 M CH3CO2H are titrated with 0.150 M NaOH. What is the pH of the solution after 15.0 mL of NaOH has been added. The Ka for acetic acid is 1.80 x 10-5
Calculate the theoretical yield of C2H5Cl when 138 g of C2H6 reacts with 244 g of Cl2, assuming that C2H6 and Cl2 react only to form C2H5Cl and HCl.
A 4.369 g sample of metal is placed in a flask. Water is added to the flask and the total volume in the flask is read to be 126.4 ml. The mass of the water
How much PV work is done, if 90 grams of ethylene and 120 grams of HCl are allowed to react at atmospheric pressure and the volume change is -71.2 liters?
One of the emission spectral lines for Be3+ has a wavelength of 253.4 nm for an electronic transmission that begins in the state with n = 5
What is the molarity of a solution of 12.0 g of NH4Br in enough H2O to make 240 mL of solution?Answer in units of M.
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