Calculate the amount of heat needed to boil 96.0 g of ethanol (CH₂CH₂OH), beginning from a temperature of -61.1 °C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol.

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ce started, ne: 57 minutes, 35 seconds. Completion Status: A Moving to another question will save this response. Question 16 Magnesium reacts with hydrochloric acid to produce magnesium chloride and hydrogen gas: Mg(s) + 2 HCl(aq) MgCl2(aq) + H2(g) Suppose you need hydrogen to fill a balloon and you have 0.800 mol of magnesium and 2.00 moles of hydrochloric acid. How much hydrogen can you generate if the above reaction goes to completion? 6.00 moles 2.00 moles 0.400 moles 4.00 moles 0.800 moles 1.00 mole 6:38 PM 3/26/2020 P Type here to search hp end home ins prt sc delete (12 f9 144 f8 f7 f6 num f5 backspace lock & L. 8. {' pause

8.42×104 J  to Cal Express the value in Calories to three significant figures, please.

lculation questions require you to enter a numerical answer. You should not include units in your reported an ough you should note them in your calculations. Unless the problem specifically ask for an answer in the pro significant figures, it is often in your best interest to enter as many digits as your calculator will give you. 1 Question 1 Given the unbalanced chemical equation, C5H12(1) + O2(g) → CO(g) + H20(1), which one of the following correctly expresses the mole ratio between CO and oxygen? 5 mole CO/11 mole O2 O 1 mole CO/1 mole O2 O 10 mole CO/11 mole O2 O 10 mole CO/6.5 mole O2 Question 2

In Ray Bradbury’s 1953 novelFahrenheit 451, 451°F is said to be the temperature at which books,which have been banned in the story, ignite. Convert 451°F to theCelsius scale.

Calculate the amount of heat needed to melt 140. g of ice (H₂O) and bring it to a temperature of 23.2 °C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol. □ x10 X

Try Again Your answer is wrong. In addition to checking your math, check that you used the right data and DID NOT round any intermediate calculations. Calculate the amount of heat needed to melt 130. g of solid acetic acid (HCH³CO₂) and bring it to a temperature of 64.3 °C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol. 38.2 kJ x10 X S

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