In which of the following pairs Is the first eleme than the second? (1 Point) O 0, P O Cs, Rb O I, Br O Al, P
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- What enables a radioisotope to substitute for an ordinary (nonradioactive) atom of the same element molecule?Which of the following compounds would be most soluble in carbon tetrachloride, CCl4? a. NH3 d. CH3OHb. H2O e. C6H6c. HClBalance the following equation, and tell how many moles of nickel will reactwith 9.81 mol of hydrochloric acid.
- What coefficients must be placed in the following blanks sothat all atoms are accounted for in the products?C6H12O6 S _________ C2H6O + _________ CO2(A) 2; 1(B) 3; 1(C) 1; 3(D) 2; 2Why is the net charge 0 for cooh? Shouldn't it be +1?At pH ___, the pentapeptide AEHVC would contain two positively charged groups and one negatively charged group. a) 7 b) 3 c) 1 d) 9 e) 5 The answer was b, but I do not know why.
- A compound with empirical formula C2H5O was found in a separate experiment to have a molar mass of approximately 90 g. What is the molecular formula of the compound?Which of the following structures exhibit geometric isomerism? Draw and name the two in each case.On the indicated blue bonds, which ones are able to rotate?
- Are the following molecules chiral or achiral? If they are chiral, identify the chiral carbon atom(s).(a) Pentan-3-ol (b) 2-Bromobutane(c) 2-MethylcyclohexanolGlucose-1-phosphate has a ΔG°′ value of −20.9 kJ/mol, whereas that for glucose-6-phosphate is −12.5 kJ/mol. After reviewing the molecular structures of these compounds, explain why there is such a difference in these values.How many grams of CuSO4 would you use to make 1 L of an 8 g/L CuSO4 solution?