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In 1990 Sweden had a GDP of $73 billion (measured in U.S. dollars) and a population of 5.2 million. In 2010, Sweden had a GDP of $165 billion (measured in U.S. dollars) and a population of 5.8 million. By what percentage did Sweden's GDP per capita rise between 1990 and 2010?
Calculate the mass of FeS formed when 9.42 g of Fe reacts with 8.50 g of S. Hydroxylamine nitrate contains 29.17 mass % N, 4.20 mass % H, and 66.63 mass % O. Determine its empirical formula.
An aqueous solution at 27 degrees Celsius contains 3.6 grams of a protein in a 200 ml sample. The osmotic pressure is .0203 atm. Define what is the molar mass of the protien
Calculate the boiling point of 0.175 m MgF2. I figured out the freezing point and it is -.0977 C, but i cannot figure out the boiling point.
Explain the following given for each statement in determining the sequence of peptide with concise (short) but complete response. you must state the specificity of each statement implication in determining the sequence of octapeptide.
Suppose the energy level of an electron with quantum number n was proportional to n instead of 1/n^2, E= -2.18 x 10^-19 J
whats the lewis dot structure for h2cch2? based on the structure predict the h-to-c-to-h bond angle. explain the reason
What amount of HCl gas must be added to 1.00 L of a buffer solution that contains [acetic acid] =2.0 M and [acetate]=1.0 M in order to produce a solution with pH =4.24
Draw the structures of the E and Z stereoisomers of 1,4-diphenyl-2-butene-1,4-dione and label which is the cis and which is the trans
The rate of the reaction of methyl ethyl acetate with hydroxide to form acetate ion and ethanol as shown in the following reaction, CH3COOC2H5(aq) + OH-(aq) => CH3COO-(aq) + C2H5OH(aq) was measured at several temperatures and the following dat..
Problem- Calculate the pH for the titration of 35.0 mL of 0.100 M KOH with 0.100 M HBr after adding each of the following amounts of HBr: 0, 5.0, 30.0, 35.0, 40.0 mL.
The length of time needed to take an algebra test is normally distributed with mean 23 minutes and standard deviation 11 minutes. Find the probability
a 35.00 mL sample of NaOH solution is titrated to an endpoint of 14.76 mL 0.4122 M HBr solution. What is the molarity pf the NaOH solution?
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