Remember your significant figures! Use the following molecular weights: C = 12.0107 H = 1.00794 O...
Remember your significant figures! Use the following molecular weights:
C = 12.0107 H = 1.00794 O = 15.9994 N = 14.00674 Fe = 55.845 S = 32.06 Co = 58.93 Na = 22.9898
Question 1:
Your molecular weights are given above, where would you find these if they were not given? 1 mark
Homework Answers
We can find molecular weight of elements on the periodic table. In periodic table the atomic weight is given in significant figurs
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Remember your significant figures! Use the following molecular
weights:
C = 12.0107 H = 1.00794 O...
Use the following molecular weights: C = 12.0107 H = 1.00794 O = 15.9994 N =...
Use the following molecular weights: C = 12.0107 H = 1.00794 O = 15.9994 N = 14.00674 Fe = 55.845 S = 32.06 Co = 58.93 Na = 22.9898 Question 1: Your molecular weights are given above, where would you find these if they were not given? 1 mark Question 2: How many moles are in 2.0 g Sodium? 2 marks Question 3: How many grams in 2.3 mol SO4? 2 marks Question 4: When working in a lab over...
Determine the molecular mass and its uncertainty for C6H5OH . Significant figures are graded for this...
Determine the molecular mass and its uncertainty for C6H5OH . Significant figures are graded for this problem. To avoid errors, do not round your answers until the very end of your calculations and use the atomic masses given in the table. Element Atomic Mass H 1.00794 ± 0.00007 C 12.0107 ± 0.0008 O 15.9994 ± 0.0003
Determine the molecular mass and its uncertainty for C3H7OH. Note: Significant figures are graded for this...
Determine the molecular mass and its uncertainty for C3H7OH. Note: Significant figures are graded for this problem. To avoid errors, do not round your answers until the very end of your calculations and use the atomic masses given in the table to the right. ElementAtomic Mass Number Number .00794 t 0.00007 12.0107 t0.0008 15.9994 t 0.0003 60.095 g/mol+0.00326 g/ mol O
Use the following atomic weights and quantities to calculate the overall % yield of benzil. Remember...
Use the following atomic weights and quantities to calculate the overall % yield of benzil. Remember that your yield must be based on the limiting reagent, and that grams must be converted to moles. Filling out most of the chart will help. Give only two significant digits in your answer. If after rounding the answer is a whole number, do not include a decimal point. C = 12, H = 1, Cu = 63.5, N = 14,0 = 16 —...
Strychnine is a poisonous alkaloid with a molecular formula of C21H22N2O2. What is the molar mass of strychnine (g/mol)? Give your answer to 4 significant figures. (Use C = 12.01 g/mol, H = 1.01 g/mol, N = 14.00 g/mol and O = 16.00 g/mol). Do not use scie
Strychnine is a poisonous alkaloid with a molecular formula of C21H22N2O2. What is the molar mass of strychnine (g/mol)? Give your answer to 4 significant figures. (Use C = 12.01 g/mol, H = 1.01 g/mol, N = 14.00 g/mol and O = 16.00 g/mol). Do not use scientific notation, do not include units in your answer, just write the number).
Use the following atomic weights & quantities to calculate overall % yield of diphenylacetylene. Remember that...
Use the following atomic weights & quantities to
calculate overall % yield of diphenylacetylene. Remember that your
yield must be based on the limiting reagent, and that grams must be
converted to moles. For problems not involving a one to one
stoichiometry ot may be easier to calculate the theoretical yield
in grams from both reagents to determine which is truly the
limiting reagent. Filling out most of the chart will help. Give
ONLY two significant digits in your answer....
Use the following atomic weights and quantities to calculate the theoretical yield of hydrogen gas, in...
Use the following atomic weights and quantities to calculate the theoretical yield of hydrogen gas, in liters, that should be given off by the reaction of phenylacetic acid, iron, and heat. Assume that at our elevation and laboratory temperature there are 22 liters per mole of an ideal gas. Balance the equation and remember that your yield must be based on the limiting reagent, and that grams must be converted to moles. Filling out most of the chart will help....
Use a minimum of 4 significant figures in all calculations, and round and report your answers...
Use a minimum of 4 significant figures in all calculations, and round and report your answers to 3 significant figures. Give complete answers - magnitude, units, and direction for vectors. Xity Box your answers (30 pts.) The car B turns such that its speed is increased at a rate given by a = 0.5e' m/s?, where t is in seconds. If the car starts from rest at t 0, determine the magnitudes of its velocity and acceleration when t =2...
Use the following atomic weights and quantities to calculate the overall % yield of dibenzyl ketone....
Use the following atomic weights and quantities to calculate the overall % yield of dibenzyl ketone. Remember that your yield must be based on the limiting reagent, and that grams must be converted to moles. For problems not involving a one to one stoichiometry it may be easier to calculate the theoretical yield in grams from both reagents to determine which is truly the limiting reagent. Filling out most of the chart will help. Give only two significant digits in...
Stilbene Dibromide: Use the following atomic weights and quantities to calculate the overall % percentage yield...
Stilbene Dibromide: Use the following atomic weights
and quantities to calculate the overall % percentage yield of
stilbene dibromide Remember that your yield must be based on the
limiting reagent and the grams must be converted to moles. Filling
out most of the chart will help. Give only two
significant digits in your answe. If after rounding
the answer is a whole number do not include the decimal point
Use the following atomic weights and quantities to calculate the overall...
Determine the molecular mass and its uncertainty for C3H7OH. Note: Significant figures are graded for this problem. To avoid errors, do not round your answers until the very end of your calculations and use the atomic masses given in the table to the right. ElementAtomic Mass Number Number .00794 t 0.00007 12.0107 t0.0008 15.9994 t 0.0003 60.095 g/mol+0.00326 g/ mol O
Use the following atomic weights and quantities to calculate the overall % yield of benzil. Remember that your yield must be based on the limiting reagent, and that grams must be converted to moles. Filling out most of the chart will help. Give only two significant digits in your answer. If after rounding the answer is a whole number, do not include a decimal point. C = 12, H = 1, Cu = 63.5, N = 14,0 = 16 —...
Use the following atomic weights & quantities to
calculate overall % yield of diphenylacetylene. Remember that your
yield must be based on the limiting reagent, and that grams must be
converted to moles. For problems not involving a one to one
stoichiometry ot may be easier to calculate the theoretical yield
in grams from both reagents to determine which is truly the
limiting reagent. Filling out most of the chart will help. Give
ONLY two significant digits in your answer....
Use the following atomic weights and quantities to calculate the theoretical yield of hydrogen gas, in liters, that should be given off by the reaction of phenylacetic acid, iron, and heat. Assume that at our elevation and laboratory temperature there are 22 liters per mole of an ideal gas. Balance the equation and remember that your yield must be based on the limiting reagent, and that grams must be converted to moles. Filling out most of the chart will help....
Use a minimum of 4 significant figures in all calculations, and round and report your answers to 3 significant figures. Give complete answers - magnitude, units, and direction for vectors. Xity Box your answers (30 pts.) The car B turns such that its speed is increased at a rate given by a = 0.5e' m/s?, where t is in seconds. If the car starts from rest at t 0, determine the magnitudes of its velocity and acceleration when t =2...
Use the following atomic weights and quantities to calculate the overall % yield of dibenzyl ketone. Remember that your yield must be based on the limiting reagent, and that grams must be converted to moles. For problems not involving a one to one stoichiometry it may be easier to calculate the theoretical yield in grams from both reagents to determine which is truly the limiting reagent. Filling out most of the chart will help. Give only two significant digits in...
Stilbene Dibromide: Use the following atomic weights
and quantities to calculate the overall % percentage yield of
stilbene dibromide Remember that your yield must be based on the
limiting reagent and the grams must be converted to moles. Filling
out most of the chart will help. Give only two
significant digits in your answe. If after rounding
the answer is a whole number do not include the decimal point
Use the following atomic weights and quantities to calculate the overall...
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