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A personal trainer uses calipers on a client to determine his percent body fat. After taking the necessary measurements, the personal trainer determines that the client's body contains 11.2% fat by mass (11.2 lb of fat per 100 lb of body mass). If the client weighs 225 lb, how many kg of fat does he have?
If 3.5 moles of nitrogen monoxide (NO) react with 6.0 moles of oxygen gas (O2), how many moles of the product can be formed and how many moles of the excess reactant will be left over when the reaction is complete? Show all of your work.
1) Many household cleaning products contain oxalic acid H2C2O4, , a diprotic acid with the following dissociation constants: Ka1=5.9E-2 and Ka2=6.4E-5 Calculate the equilibrium concentration of C2O4^2- in a 0.20 M solution of oxalic acid
Using the table of standard formation enthalpies that you'll find under the ALEKS Data tab, calculate the reaction enthalpy of this reaction under standard conditions:2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(l)
How can the presense of the intramolecular hydrogen bonding in the single-deprotonated maleic acid lead to differences in the acid-dissociation constant when compared to fumaric acid
What is the balanced chemical reactions that takes place when h2o2, concentrated h2so4, and Cu(s) is placed in solution. One of the byproducts should be copper sulfate (CuSO4) and there is some gas evolution during the reaction.
portion of the stock solution and dilute it to a total volume of 0.550L what will be the concentration of the final solution?
What amount of chlorine gas is obtained by treating 80 g of magnesium dioxide in excess of HCl the following reaction. MnO2 + 4 HCl => MnCl2 + 2H2O + Cl
to obtain the same antifreeze protection requires 76 of propylene glycol to replace each 62 of ethylene glycol.
A sample of gas is compressed from 13.01 L to 4.27 L using a constant external pressure of 3.63 atm. At the same time, 1,453 J of heat flows into the surroundings. What is the internal energy change for the gas
In the first half-life of the sample, the total number of disintegrations counted was 2.15 X 1020 . What is the atomic weight of the unknown element
Question- Give the reaction products of sodium borohydride (followed by acidification) with the following compounds. If there is no reaction, state so.
Three liquids of different densities are mixed. Because they are not miscible (do not form a homogeneous solution with one other), they form discrete layers, one on top of the other.
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