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How much energy would be required to melt 48 g of HCl at its melting point of -110.8C? Hfus for HCl is 14.2 cal/g and Hvap for HCl is 98.7 cal/g.
Transition metals can combine with carbon monoxide to form compounds such as Fe(CO)5 and Co2(CO)8. If you combine 0.150 g Ni with CO and isolate 0.437 g Ni(CO)x
Calculate the change in pH when 9.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq).
For the reaction:-2 HCl + Na2CO3 - 2 NaCl + H2O + CO2 ,179.2 liters of CO2 is collected at STP.
The international unit for weighing diamonds and determine the volume of a 0.76 carat diamond if The density of diamond is given=3.51 g/cm3 ?express your answer in units of cm3
How many L of N2 gas are produced at STP when the airbag inflates if the airbag contains 132g of sodium nitride?
when a metal was exposed to light at a frequency of 4.63*10^15 Hz, electrons were emitted with a kinetic energy of 3.10*10^-19 J.
What is the percentage composition of a compound consisting of carbon and hydrogen if 58g of the compound has only 10g of hydrogen.
commercial concentrated aqueous ammonia is a solution of 28.0%, by mass, ammonia, NH3, (molar mass=17.0 g/mol) in water. the density pf the solution is .900g/mL.
Calculate molarity?if one mole of sodium hydroxide was dissolved estimate the number of calories that would be produced. (ΔHsolnNaOH)
Considering the given equation 4 C3H5N3O9---> 6 N2+ 12 CO2 + 10 H2O + O2,This reaction generates many gaseous products and a large amount of heat determine what is the maximum amount of Oxygen.
Please review the occurrence and cycling of calcium in nature, along with its use. Analyze and evaluate the article as to it's contemporary relevance regarding the elements availability, health implications and environmental impact.
Determine how much fluorine was formed if A sample of NaF(sodium fluoride) produced 26.5 grams of sodium upon decomposition? express your answer (in grams)
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