subject

Chemistry, 16.04.2021 23:10 andile64

54. What mass of helium is needed to pressurize an evacuated 25.0-L tank to a pressure of 120. atm at
25 °C?

DUE TONIGHT! LINKS DONT WORK SO PLS SHOW WORK. THANK YOU

ansver

Answers: 2

Show answers

Another question on Chemistry

question

Chemistry, 21.06.2019 22:00

What is driving behind plate tectonics (plate movment)? a) gravity only b) inertia c) convection and gravity d) the sun theres no option for science so i picked chemistry. plz

Answers: 2

question

Chemistry, 22.06.2019 10:00

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

Answers: 1

question

Chemistry, 22.06.2019 13:00

If two objects at different te,peraure are in contact with each other what happens to their temperature

Answers: 1

question

Chemistry, 22.06.2019 14:30

100 grams of molten lead (600°c) is used to make musket balls. if the lead shot is allowed to cool to room temperature (21°c), what is the change in entropy (in j/k) of the lead? (for the specific heat of molten and solid lead use 1.29 j/g⋅°c; the latent heat of fusion and the melting point of lead are 2.45 × 104 j/kg and 327°c, respectively.)

Answers: 1

You know the right answer?

54. What mass of helium is needed to pressurize an evacuated 25.0-L tank to a pressure of 120. atm...

Questions

question

English, 19.07.2019 00:30

Which of these excerpts from the end of the poem suggests that imogen has reconciled herself to her situation in life? a. and there was jane t...

question

Business, 19.07.2019 00:30

Filing a chapter 13 bankruptcy a. allows you to be clear of debt. b. divides sales of your possessions among creditors. c. allows you to maintain a re...

question

History, 19.07.2019 00:30

For fifteen years during the 1960s and 1970s india, the world’s largest democracy, was run by a woman. who was this four-term prime minister? a) zsa...

question

Social Studies, 19.07.2019 00:30

Lisa does not like going to her sister megan’s piano recitals, but she finds that if she forces herself to smile during the recital, she will as pred...

question

Biology, 19.07.2019 00:30

What process leads to water entering an aquifer? a. transpiration b. condensation c. percolation d. evaporation...

question

Engineering, 19.07.2019 00:30

Two an electric motor weighing 2,500 n is supported on four springs, each having a stiffness of 4.4 kn/m. the rotor has a weight of 500 n with its cen...

question

Mathematics, 19.07.2019 00:30

Question 10(multiple choice worth 5 points) (09.04 mc) if (x + 1)2 = 55, what is the approximate positive value of x? 2.71 5.42 6.42 7.35...

question

Physics, 19.07.2019 00:30

The north american plate is moving west at a rate of approximately 20 mm/yr. how long will it take for new york to move 10° longitude west of its curr...

question

Business, 19.07.2019 00:30

Anew car has a sticker price of 24,750, while the invoice price paid was 21,950. what is the percentage markup?...

question

Social Studies, 19.07.2019 00:30

James was raised by his mother; his father was not involved in child rearing. a friend of james' grandmother named fred provided a lot of support to...

question

Mathematics, 19.07.2019 00:30

Question 10(multiple choice worth 5 points) (09.04 mc) if (x + 1)2 = 55, what is the approximate positive value of x? 2.71 5.42 6.42 7.35...

question

Physics, 19.07.2019 00:30

Askier moving at 5.23 m/s encounters a long, rough, horizontal patch of snow having a coefficient of kinetic friction of 0.220 with her skis. how far...

question

Mathematics, 19.07.2019 00:30

What is the exact volume of a cylinder whose radius is 9 feet and whose height is 26 feet? enter your answer, in terms of π , in the box....

question

Physics, 19.07.2019 00:30

The intensity of solar radiation near the earth is 1.4 × 103 w/m2 . what force is exerted by solar radiation impinging normally on a 5.0 m2 perfectly...

question

Mathematics, 19.07.2019 00:30

The fixed cost of making clothes for a clothing store for three years is $40,000. the number of pieces of clothing bought per year is variable and ran...

question

Mathematics, 19.07.2019 00:30

Hel]ppp a line has a slope 2 and a y-intercept 5 which answer is the equation of the line in slope intercept form ? a) y=2x+5b) y=5x+2c) y=-2x+5d) y=...

question

Computers and Technology, 19.07.2019 00:30

What are rfcs? read rfc 791 that defines ip, and briefly describe one thing in the rfc that caught your attention? (this is not a trick question, ju...

question

Physics, 19.07.2019 00:30

72) what is the freezing point (°c) of a solution prepared by dissolving 11.3 g of ca(no3)2 (formula weight = 164 g/mol) in 115 g of water? the molal...

question

Computers and Technology, 19.07.2019 00:30

Write a method writenums that accepts an integer parameter n and prints the first n integers starting with 1 in sequential order, separated by commas....

question

Physics, 19.07.2019 00:30

Suppose that you determine the density of a mineral by measuring its mass (m) (4.635±0.002) g and its volume (1.13±0.05) ml. d = m/v what is the uncer...

More questions: Chemistry Another questions