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Question- When the brass sample was dissolved in 8 M nitric acid in a flask and then transferred to the 50.0 ml volumetric flask, suppose some of the mixture was spilled onto the table top. Would the percent copper found experimentally be higher, lower or equal to the actual percent copper in the brass sample?
Elucidate the each and every step in detail for helping me to understand the answer of the above problem
Indicate whether the subsequent balanced equations involve oxidation-reduction. Suppose they do indentify the elements that undergo changes in oxidation number.
How can you tell when looking at organic compounds what is saturated? Here are some examples?
determine how many grams are there in 4.510 22 molecules of barium nitrate?using a sample of gas of 23.6 grams that
Assume that you have an aqueous solution of an unknown salt. Treatment of the solution with dilute BaCl2, AgNO3, and Cu(NO3)2 produces no precipitate. Which of the following anions might the solution contain
Based on the half-reactions and their respective standard reduction potentials below, the strongest reducing agent is ________, and the strongest oxidizing agent is
What is the final volume of the balloon. Assume that the pressure inside and outside the balloon has the same value. Ans. V = 34.8 L
Question- The barometer for atmospheric air reads 750 mm Hg the dry bulb temperature is 30 C wet bulb temperatures is 20 C; wet bulb temperature is 20 C. Determine
Predict the products of and balance the redox reaction of molten sodium and molten magnesium chloride. Predict the products of and balance the redox reaction of molten magnesium and molten sodium bromide.
Calculate the molarity (M) of a solution prepared by dissolving 15.3 g of HBr in enough water to make 2.35 L of solution.
in a reaction 8200 g of sodium reacts with 74.00 g of ferric oxide to form sodium oxide and iron metal. calculate the
What is the entropy change for the reaction 2H2(g) + O2(g) 2H2O(l) at 372.2 K and 1.0atm? the enthalpy of reaction at 298.2K and 1.0atm is -572 KJ. The Cp values for H2, O2 and H2O are respectively
Presume you accidently add too much NaOH during a titration. You then add a volume of HCl precisely equal to ½ the volume of NaOH actually utilized in the titration. Define what effect does this have on the Ka
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