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Complete and balance the equations for each of the following reactions: a)KHCO3(s)+HBr(aq)> b)Ca(s)+H2SO4(aq)> c)H2SO4(aq)+Ca(OH)2(s)> d)Na2CO3(s)+H2SO4(aq)>
what volume of air is needed to burn it completely? Assume that the temperature of the burner is 195.0 Celcius, the pressure is 1.1 atmosphere, and the mole fraction of O2 in air is 0.21.
Determine the volume of 02 (at STP) formed when 50.0g of KClO3 cedomposes according to the following reaction. The molar mass for KClO3 is 122.55g/mol. 2KClO3(s)-->2KCl(s)+3O2(g)
explain the probable effect of this procedural change on the experimental results?
The rate constant of a chemical reaction increases by 100 times when the temperature is increased from 400 °K to 500 °K. Assuming transiytion state theor is valid
Which of the following chemical equations corresponds to the standard molar enthalpy of formation of N2O
effectively prevents hemoglobin from transporting oxygen to cells. How is the carbon monoxide acting in this process?
The tire is filled with dry air at sea level and a temperature of 60 degree F to 32 lb/square inch.standard sea level pressure is 101325 Pa at 0 degree C (STP).
An experiment identical to the one you just preformed is done by another student.except the amperage is continuously increased while the sulfuric acid concentration is kept constant
Describe the expected results of the following tests or reagents on the sphingolipid N-palmitoyl-D-sphingomyelin
good primary standard for aqueous acid-base titrations. Calculate the mass, in grams, of KHP needed to produce 250. mL of a 1.50 M solution of KHP.
The active ingredient in Antabuse, a drug used for the treatment of chronic alcoholism, is tetraethylthiuram disulfide, C10H20N2S4 (fw = 296.54). The sulfur in a 0.4329 g
What is a possible molecular formula of the hydrocarbon?
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