1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Setler [38]
2 years ago
10

4.What volume of hydrogen gas at STP is produced when 2.5 grams of zinc react with an

Chemistry
1 answer:
ValentinkaMS [17]2 years ago
5 0

Answer:

0.86

Explanation:

1mol of Zn has mass of 65.39g.The amount of Zn is 2.5g65.39g/mol=0.038mol.

The amount of H2 produced is the same as the amount of Zn consumed (0.038mol).

1mol of ideal gas will occupy 22.4L at STP.

The H2 will occupy 0.038mol×22.4L/mol=0.86L

.

You might be interested in
Please please help me please please help please please help me please please help please please
Tatiana [17]

Answer:

AU9NJ-BLVHV-TCLJS-54YTB

6 0
2 years ago
How many grams of silver chromate, Ag2CrO4, are produced from 57.7
Anastasy [175]
48.3 g AgNO3 / 169.9 g/mol = 0.284 moles AgNO3
0.284 mol AgNO3 X (1 mol Ag2CrO4/2 mol AgNO3) = 0.142 mol Ag2CrO4
0.142 mol Ag2CrO4 X 331.7 g/mol = 47.1 g Ag2CrO4
5 0
3 years ago
Stuck on question 22
Klio2033 [76]
The answer is c. because you have to increase concentration of h2
7 0
3 years ago
The path urine takes after it is formed until it leaves the body is the urethra, urinary bladder, and finally the ureter. True F
Vlad1618 [11]

Answer:

False

Explanation:

The urine is produced in the kidneys, each one of the kidneys is connected to a ureter.  The ureter is a tube that propels the excreted urine to the urinary bladder. The urinary bladder is a deposit for the urine, here is collected and stored before disposal. After the urinary bladder, the urine goes through the urethra, which is a tube, to exit the body.

4 0
3 years ago
Which of the following best describes what causes the phases of the moon? The alignment of the sun, Earth, and moon The speed of
BlackZzzverrR [31]
The alignments of the planets would be the correct answer.<span />
6 0
3 years ago
Other questions:
  • Which came first M or O
    15·1 answer
  • A bug travels at the rate of 3 miles/hours. How fast is this in um/nsec
    15·1 answer
  • Bright headlights show objects how far away
    6·2 answers
  • A nuclear family consists of
    12·1 answer
  • What's a design constraint?
    10·1 answer
  • Which of the following is the best hypothesis?
    6·1 answer
  • 1.
    10·2 answers
  • Giving brainiest i need help with number 3
    15·1 answer
  • Which diagram best illustrates the difference between distance and<br> displacement?
    15·1 answer
  • Which describes the oxidizing agent in a chemical reaction?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!