Chemistry, 07.05.2020 00:58 amunnik04

A 250mL sample of air at STP contains approximately 52.5mL of O2. What is the percentage of oxygen in the air

Answers: 1

Show answers

Another question on Chemistry

Chemistry, 21.06.2019 18:30

A6.10 m nacl can be made by adding [x]g of nacl to a container and making the volume of water up to the 1.00 l line

Answers: 1

Answer

Chemistry, 21.06.2019 22:30

Naoki's bicycle has a mass of 10 kg. if naoki sits on her bicycle and starts pedaling with a force of 168 n, causing an acceleration of 2.8 m/s2, what is naoki's mass?

Answers: 1

Answer

Chemistry, 22.06.2019 11:20

What is the percent by mass of oxygen in fe2o3

Answers: 1

Answer

Chemistry, 22.06.2019 19:30

Helium decays to form lithium. which equation correctly describes this decay?

Answers: 2

Answer

You know the right answer?

A 250mL sample of air at STP contains approximately 52.5mL of O2. What is the percentage of oxygen i...

Questions

Mathematics, 04.09.2020 01:01

Graph the inequality y>-1/6x+1...

English, 04.09.2020 01:01

What does this type of text structure highlight? What is the cause? I don't think any segregation law angered black people in Montgomery...

Mathematics, 04.09.2020 01:01

A=1/2(B+C-D) SOLVE FOR B...

English, 04.09.2020 01:01

Create a paraphrase of the following sentence from "The Cold Equations:" There could be no alternative-but it required a few moments of conditioning f...

Biology, 04.09.2020 01:01

1. List five things you use daily whose production is a direct result of microbial action. In addition to the product include what produces the produc...

Mathematics, 04.09.2020 01:01

John and Tyrone each go for a morning jog before work. John’s jogging pace is represented by the equation Y equals 5X where Y is the number of miles h...

Chemistry, 04.09.2020 01:01

Quanto ‘pesa’ (ou melhor, qual é a massa), em gramas, uma única molécula de açúcar comum (sacarose -C 12 H 22 O 11 )? Dados: Massas atômicas: H = 1;...

English, 04.09.2020 01:01

Fill in the correct preposition.1.His style was deficient ease and variety....

Biology, 04.09.2020 01:01

Which two statements summarize a way that a self feeder gets food a.

Mathematics, 04.09.2020 01:01

Sets A and B are considered equivalent if set A contains more items than set B. True or False...

English, 04.09.2020 01:01

What is the theme to the reefs by Marcella Morris...

Mathematics, 04.09.2020 01:01

All sacks of sugar have the same weight. All sacks of flour also have the same weight, but not necessarily the same as the weight of the sacks of suga...

Mathematics, 04.09.2020 01:01

17=-5r what is the equation answer...

Biology, 04.09.2020 01:01

What is a trophic cascade?...

English, 04.09.2020 01:01

Explain how the author of the perfect tribute draws upon the GETTYSBURG address to create a work of fiction...

Physics, 04.09.2020 01:01

1). Which of the following statements are correct? Total Internal reflection occurs: I. when the angle of incident is greater than the critical angle....

Social Studies, 04.09.2020 01:01

PLEASE Incorporation creates a local government and Incorporation divides a state into separate counties with their own leaders.determines who...

Physics, 04.09.2020 01:01

True or falseA mixture of soil has the same chemical composition throughout....

Mathematics, 04.09.2020 01:01

Blueberries are d dollars a pound. Lin buys q pounds of blueberries and pays t dollars....

Chemistry, 04.09.2020 01:01

Use the periodic table to complete this equation that represents nuclear fission processes....

More questions: Chemistry Another questions