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When aqueous solutions of potassium cyanide and hydrobromic acid are mixed, an aqueous solution of potassium bromide and hydrocyanic acid results. Write the net ionic equation for the reaction.
When aqueous solutions of potassium phosphate and nickel bromide are combined, solid nickel phosphate and a solution of potassium bromide are formed. The net ionic equation for this reaction is:
When solid Mg metal is put into an aqueous solution of NiSO4, solid Ni metal and a solution of MgSO4 result. Write the net ionic equation for the reaction.
the micronutrient calcium is often applied in the form of calcium (II) sulfate. Write the equation for the formation of calcium (II) sulfate from calcium (II) oxide and an appropriate acid.
determine the weight in grams of sodium dihydrogen phosphate nah2po4.h2o fw 138.01 and disodium hydrogen phosphate
The total amount of water runoff from the road is equal to a volume that would make the water on the roadway be at a depth of 0.4 inches if it all stayed on the roadway.
What volume of carbon dioxide gas will be produced at 25 degrees Celcius and 590 mmHg, when 65.0 mL of 0.200 M HCl is treated with excess sodium bicarbonate?
How many moles of carbon, hydrogen and oxygen atoms does a mass of 32.5grams of sugar represent? How many atoms of each type are there in this mass of sugar?
A gaseous fuel mixture stored at 743mmHg and 298 K contains only methane and propane. When 11.8 L of this fuel mixture is burned, it produces 767 kJ of heat. what is the mole fraction of methane in the mixture
given the following balanced chemical equation answer the following questions 3cacl2nbspaq 2
How many liters of oxygen,O2,are required for the complete combustion of 1/2 mole of pentane,C5H12 at standard conditions
c) how many grams of sodium nitride are required to inflate an air bag with nitrogen gas to a volume of 46.0 Liters at 298k and 1.0atm d) How would the amount of sodium nitride change if the same airbag were to inflate at ta much higher elevation?..
Calculate the heat evolved when 75.0 mL of a 2.00M HCl solution reacts with 37.5 mL of a 4.00M NaOH solution if the temperature rises from 20.0 degree C to 37.9 degree
Predict the mass of the most abundant fragment signal in the mass spectrum of 2,2-dimethylpentane. 85 amu 29
A liquid substance has a vapor pressure of 450.0 mmHg at 262.0 degrees celsius and 760.0 mmHg at 325.0 celsius. a) what is the heat of vaporization of this substance? b) what is its normal boiling point?
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