Rubbing alcohol is composed of C, H and O only. Combustion of 0.255 g of rubbing...
Rubbing alcohol is composed of C, H and O only. Combustion of 0.255 g of rubbing alcohol produces 0.561 g of CO2 and 0.308 g of H2O.
There is __________ mole of O is in 0.256 g of rubbing alcohol.
Enter your answer as a decimal number and round your answer to two significant figures. Make sure you include the "0" before the decimal point. Otherwise, your answer will be graded as wrong even if you have the right answer.
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Rubbing alcohol is composed of C, H and O only. Combustion of
0.255 g of rubbing...
Consider the combustion of propane: C3H8(g)+O2(g)→CO2(g)+H2O(g) a). Divide all coefficients by the coefficient on propane, so...
Consider the combustion of propane: C3H8(g)+O2(g)→CO2(g)+H2O(g) a). Divide all coefficients by the coefficient on propane, so that you have the reaction for the combustion of 1 mole of propane. Express your answer as a chemical equation. Identify all of the phases in your answer. b). ΔHrxn for the combustion of one mole of propane is −2219kJ. What mass of propane would you need to burn to generate 6.0 MJ of heat? Express your answer to two significant figures and include...
Thymol has the formula C10H14O and its combustion can be written as: C10H14O(l) + 13 O2(g)...
Thymol has the formula C10H14O and its combustion can be written as: C10H14O(l) + 13 O2(g) → 10 CO2(g) + 7 H2O(l) The change in enthalpy of combustion of 1 mole of thymol at 298.15 K is determined to be -5660 kJ at constant pressure. What is ΔE for this reaction at 298K? Enter your answer to 4 significant figures in units of kJ. Be sure to include the sign.
An unknown compound contains only C , H , and O . Combustion of 5.40 g...
An unknown compound contains only C , H , and O . Combustion of 5.40 g of this compound produced 12.7 g CO2 and 3.47 g H2O . What is the empirical formula of the unknown compound? Insert subscripts as needed.
An unknown compound contains only C , H , and O . Combustion of 6.00 g...
An unknown compound contains only C , H , and O . Combustion of 6.00 g of this compound produced 14.1 g CO2 and 3.86 g H2O . What is the empirical formula of the unknown compound? Insert subscripts as needed.
A 7.39 g sample of a compound containing C, H, and O is analyzed using combustion...
A 7.39 g sample of a compound containing C, H, and O is analyzed using combustion analysis. In a separate experiment, the molecular mass of the compound is found to be 300.44 g. The combustion analysis produces 21.63 g CO2 and 6.2 g H2O. A.How many grams of carbon were in the original sample? a)2.45g b)11.8g c)5.9g B.How many grams of hydrogen were in the original sample? a) .69g b).75g c).82g C.How many grams of oxygen were in the sample?...
An unknown compound contains only C, H, and O. Combustion of 2.70 g of this compound...
An unknown compound contains only C, H, and O. Combustion of 2.70 g of this compound produced 6.59 g of CO2 and 2.70 g of H2O. What is the empirical formula of the unknown compound?
A compound contains C and H only. Combustion analysis of a compound produces 8.80 g CO2...
A compound contains C and H only. Combustion analysis of a compound produces 8.80 g CO2 and 1.44 g H2O. Calculate the empirical formula of the compound. Group of answer choices A.) CH2 B.) C3H4 C.) C5H4 D.) C4H3
how to solve Problem 4 Suppose that 1.14 g of rubbing alcohol (C2H2O) evaporates from a...
how to
solve
Problem 4 Suppose that 1.14 g of rubbing alcohol (C2H2O) evaporates from a 67.0 g aluminum block. Part A You may want to reference (Pages 478 - 487) Section 11.5 while completing this problem. If the all Assume vaporize 0.903 J Express View A 4 of 17 Review | Constants 1 Periodic Table Part A If the aluminum block is initially at 25°C, what is the final temperature of the block after the evaporation of the alcohol?...
An organic compound containing only C, H, and possibly O was subjected to combustion analysis. A...
An organic compound containing only C, H, and possibly O was subjected to combustion analysis. A sample weighing 0.6720 g yielded 1.137 g CO2 and 0.279 g H2O. What is the empirical formula of the compound?
A 10.68 g sample of a newly discovered acid is composed of C,O,H. The sample was...
A 10.68 g sample of a newly discovered acid is composed of C,O,H. The sample was burned in the presence of oxygen to produce 16.01 g CO2 and 4.37 g H2O. The molar mass of the acid is 176.1 g/mol. Determine the molecular formula.
how to
solve
Problem 4 Suppose that 1.14 g of rubbing alcohol (C2H2O) evaporates from a 67.0 g aluminum block. Part A You may want to reference (Pages 478 - 487) Section 11.5 while completing this problem. If the all Assume vaporize 0.903 J Express View A 4 of 17 Review | Constants 1 Periodic Table Part A If the aluminum block is initially at 25°C, what is the final temperature of the block after the evaporation of the alcohol?...
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