Author Question: How many moles of HCl are present in 35.5 mL of a 0.200 M solution? A) 0.236 mol B) 0.178 mol ... (Read 98 times)

fasfsadfdsfa

  • Hero Member
  • *****
  • Posts: 554
How many moles of HCl are present in 35.5 mL of a 0.200 M solution?
 
  A) 0.236 mol
  B) 0.178 mol
  C) 0.974 mol
  D) 0.00710 mol
  E) 0.195 mol

Question 2

A 12.8 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter with a heat capacity of 5.65 kJ/C. Using the information below, determine the final temperature of the calorimeter if the initial temperature is 25.0C.
 
  The molar mass of ethanol is 46.07 g/mol.
 
   C2H5OH(l) + 3 O2(g)  2 CO2(g) + 3 H2O(g) Hrxn = -1235 kJ
 
  A) 53.4C
  B) 28.1C
  C) 111C
  D) 85.7C
  E) 74.2C

Question 3

What precipitate is most likely formed from a solution containing Ba+2, Na+1, OH-1, and CO3-2.
 
  A) NaOH
  B) BaCO3
  C) Na2CO3
  D) Ba(OH)2

Question 4

Is 25 kilometers per liter good gas mileage for a VW Rabbit diesel? Hint: How do we measure mileage in the English system?
 
  What will be an ideal response?



234sdffa

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

D

Answer to Question 2

D

Answer to Question 3

B

Answer to Question 4

It's good: 59 miles/gal.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

For a complete list of videos, visit our video library