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We have a compound that is determined to contain 4.36 grams of phosphorus and 5.64 grams of oxygen and a molar mass =284 g/mol. find out the molecular formula and empirical of this compound?
Carbonate buffers are significant in regulating PH of blood at 7.40. Calculate the concentration of Carbon dioxide in a 0.200M NaHCO3 at PH=7.40.
Find the volume of FeSO4 solution - What volume of 0.200M FeSO 4 solution would be required to react with 20.0mL of 0.250M KMnO 4 according to the following equation?
Determine how much heat (in kJ) is needed to warm 12.0g of ice, that is initially at -10.0 ° C, to steam at 114.0 ° C? The heat capacity of ice is 2.09 J/g⋅ ° C and that of steam is 2.01 J/g⋅ ° C.
The reaction between white phosphorous and oxygen produces solid tetra phosphorus decoxide (P 4 O 10 ).
This assignment inhibits chemistry Laboratory Questions.
Calculate the rate constant for the reaction when the reactant concentration in a first-order reaction is given 7.30×10-2M after 15.0s and it is also reported 4.40×10-3M after 65.0s . ?
Explain the type of nonrenewable energy resource used and their short-term and long-term effects on the environment
Calculate the percent (by volume) of air that would be displaced when all of theN2 (l) get evaporated. it is given that Liquid nitrogen has a density of 0.807 g/mL
Determine what is element Y if you have a compound consists of element "Y" and H, only and know that it is 79.89% element Y by mass. Each molecule has 3.00 times as many H atoms as Y atoms?
Find out how many total moles of gas are produced If a sample has 2.10 mL of nitroglycerine (density = 1.592 g/mL) is detonated?
Hydronium ion concentration using Henderson-Hasselbalch equation - What is the hydronium ion concentration of a solution
determine the actual yield If the percent yield of the reaction in B was 91% describes the oxidation of ethanol (C 2 H 5 OH) to acetic acid (CH 3 COOH) by potassium permanganate (KMn04
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