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1. Explain briefly that how HCl could test for limestone's presence , use the balanced chemical equation for this and then describe specific reaction that takes place?
2. A isopropyl alcohol bottle has 15.7 g of the alcohol and Isopropyl alcohol has a density of 0.785 g/mL then determine What is the volume occupied by the alcohol?
Calculate the electron affinity in kJ/mol for X in the hypothetical ionic compound MX from the information given below.
prepare 250ml of a .5 mol/L aqueous solution of magnesium nitrae, Mg(N3)2. what mass of magnesium nitrate do you need?
Concentration of Fe(SCN)2+ in calibration Solutions-Recall that the concentration of Fe(SCN)2+ in the calibration solutions is essentially the concentration of SCN- initially in the solution
We add excess Na2CrO4 solution to 16.0 mL of a solution of silver nitrate (AgNO3) to form insoluble solid Ag2CrO4. When it has been dried and weighed, the mass of Ag2CrO4 is found to be 0.380 grams.
Calculate the pressure in the mindanao trench. depth = 11.5 km and the average mass density of sea water
Determine the rate of heat transfer to the heat engine if both devices are reversible and all of the power output from the heat engine is used to supply the refrigerator
A zero-order reaction has a constant rate of 2.40×10-4 M/rm s. If after 80.0 seconds the concentration has dropped to 7.00×10-2 M,
which of the following accounts for the unusually high boiling point of water? the density of water, the hydrogen bonds in water
Draw the missing intermediate and add curved arrows for the production of phenylethyne by the double dehydrohalogenation
Which of the following molecular geometries could lead to linear molecule after removal of one atom?
The students continued to do the experiment and determined the negative heat capacity of a metal and heats of reaction, using the negative heat capacity for the calorimeter.
a sample of gas has a volume of 0.106 L at 37 degrees Celsius and 0.920 atm. what is the volume of stp (1 atm and 0 degrees Celsius)
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