Chemistry, 28.02.2021 02:30 tonypewitt

A gas mixture is composed of 4.3 grams of hydrogen (density at STP= 0.089g/L) and 2.9grams of helium ( density at STP = 0.179 g/L). What is the percentage (v/v) helium in the mixture? SHOW WORK

Answers: 2

Show answers

Another question on Chemistry

Chemistry, 21.06.2019 22:30

Each of the following compounds contains a metal that can exhibit more than one ionic charge. provide systematic names for each of these compounds. (a) cr(clo3)6 (b) mo(cn)6 (c) cr2(so3)3 (d) v(clo2)2 (e) v(cn)5 (f) os(clo2)4

Answers: 3

Answer

Chemistry, 22.06.2019 17:30

Which material burns faster? metal aluminum

Answers: 2

Answer

Chemistry, 22.06.2019 22:30

Which compound most likely has the greatest bond energy?

Answers: 2

Answer

Chemistry, 22.06.2019 23:00

What is the average rate of the reaction between 10 and 20 s?

Answers: 1

Answer

You know the right answer?

A gas mixture is composed of 4.3 grams of hydrogen (density at STP= 0.089g/L) and 2.9grams of helium...

Questions

English, 24.03.2021 19:20

Another important reason to teach cursive is to help safeguard our history. Have you ever seen the Declaration of Independence? The Founding Fathers u...

Mathematics, 24.03.2021 19:20

LuAnn is playing a math game. She chooses three cards. The value of each of her cards is shown. . First card: -12 Second card: 3

Mathematics, 24.03.2021 19:20

What is the area of this triangle? ...

Biology, 24.03.2021 19:20

Two species of insects that feed on the leaves of the same rare plants are endangered in: a mutialism b commensalism c...

Physics, 24.03.2021 19:20

Method 1. Place a trolley on a smooth runway and tilt the runway very slightly so that the slope compensate for the friction between the wheels...

Chemistry, 24.03.2021 19:20

Empirical formula of c3h12o6...

Biology, 24.03.2021 19:20

Define Polysaccharide and give an example...

Biology, 24.03.2021 19:20

7. The natural differences between individuals of a species are referred to as B. natural selection C. adaptationsD. natural variationI A...

Mathematics, 24.03.2021 19:20

These cylinders are similar. Find the surface area of the smaller cylinder. Round to the nearest tenth. 5 cm 3 cm Surface Are...

Mathematics, 24.03.2021 19:20

100 POINTS (50 points each for the 2 people that can answer) A shape has vertices: A(–3, –2), B(–1, 2), C(4, 2), D(2, –2). Find the area...

Mathematics, 24.03.2021 19:20

A linear function can be used to estimate the decrease in snowfall measured since 1920. The decrease in the annual snowfall has been on average 0.24 i...

English, 24.03.2021 19:20

Why might Henry James choose to have Randolph be the first member of the Miller family that Winterbourne meets? How does Randolph help to characterize...

Mathematics, 24.03.2021 19:20

Each one should pass through the OPEN BLACK POINT and one of the BLUE POINTS. (One is done for you.) When you're ready, press "Check My Work."...

English, 24.03.2021 19:20

Answer the following simple past questions ...

Mathematics, 24.03.2021 19:20

Which of the following can you use in proving that the slope of l is equal to the slope of n

Mathematics, 24.03.2021 19:20

Determine whether the rate of change is constant. If it is, find the rate of change and explain what it represents. A. Yes, the rate of change is con...

Mathematics, 24.03.2021 19:20

This is a rectangular pyramid. What shape is the base?

Mathematics, 24.03.2021 19:20

If BCD ~ BEF, which is closest to the value of y

Mathematics, 24.03.2021 19:20

You can buy 3 items for $6, how much will it cost for 10 items?...

Physics, 24.03.2021 19:20

Food's appearance depends a great deal on how it's presented. TRUE FALSE I...

More questions: Chemistry Another questions