subject

Chemistry, 09.10.2020 20:01 jennmcd17

Samples of the air we breathe that were taken from different parts of the world have all been found to contain 78% nitrogen

ansver

Answers: 2

Show answers

Another question on Chemistry

question

Chemistry, 21.06.2019 22:40

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration?

Answers: 3

question

Chemistry, 21.06.2019 23:00

A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?

Answers: 1

question

Chemistry, 22.06.2019 03:30

Select the correct answer. when carbon dioxide dissolves in water, it sometimes reacts with water to form carbonic acid as in this balanced equation: co2 + h2o → h2co3. if 495 milliliters of carbon dioxide at 25°c and 101.3 kilopascals reacts with excess water, what is the theoretical yield of carbonic acid? use the periodic table and the ideal gas resource a. 0.889 g b. 1.10g c. 1.27g d. 2.02g what's the answer! quick!

Answers: 1

question

Chemistry, 22.06.2019 05:50

According to coulomb's law, how would the electrical force between particles change if the product of their electrical charge increased?

Answers: 1

You know the right answer?

Samples of the air we breathe that were taken from different parts of the world have all been found...

Questions

question

Mathematics, 07.10.2019 18:30

Me understand this better. find “x”....

question

Mathematics, 07.10.2019 18:30

Find the values of k such that -x²-(k+3)x+k=0 has 2 imaginary solutions....

question

History, 07.10.2019 18:30

The statement below was made by thomas jefferson in an 1801 speech. the support of the state governments in all their rights…i consider one of the ess...

question

English, 07.10.2019 18:30

() which of the following statements correctly describes a story’s theme? a. theme is the relationship between events that make up a story. b. theme...

question

Arts, 07.10.2019 18:30

Which statement best describes hogarthi's progress series? a b. c. etching that depicted christs suffering and death on the c...

question

Mathematics, 07.10.2019 18:30

Drag the tiles to the correct boxes to complete the pairs. the figure shows ∆abc with m∠abc = 90°. the first 10 steps to prove...

question

History, 07.10.2019 18:30

How did westward expansion impact democracy in the united states? a. resulted in the ability of women to vote and hold office b. decrease...

question

Mathematics, 07.10.2019 18:30

What is the number 22/7 . rational or irrational? and explain . if we divide 22 by 7 we will get unlimited numbers....

question

English, 07.10.2019 18:30

Which lines from the poem best support the theme that people can learn from others' struggles? a. “sitting, waiting for your mind /...

question

Mathematics, 07.10.2019 18:30

Which relation is represented by the arrow diagram? mapping diagram of a relation {(2, 0), (6, 3), (0, 0), (–3, 3)} {(–3, 3), (0, –5), (2, 6), (0, 0)...

question

Biology, 07.10.2019 18:30

Imagine you are in a laboratory. you are exploring the following reaction: a+b - c when the product c is created, bubbles form. whe...

question

Mathematics, 07.10.2019 18:30

Объясните, в чём сходство и в чём различие между свойствами функции y = x^2 и функции y = ax^2. объясните свой ответ. приведите 2 примера....

question

History, 07.10.2019 18:30

Ststusy piotrkowskie 1496 mieszczanie chłopi...

question

Chemistry, 07.10.2019 18:30

All fat are hydrophobic , whereas oil hydrophilic ? 1- true 2- false...

question

English, 07.10.2019 18:30

Po now 8/28: how old do you think the sniper was when the story occurred? explain why you believe this. (2-3 sent)...

question

Chemistry, 07.10.2019 18:30

What happens to particles when p waves and s waves pass through them? a. p waves twist particles as they pass through materials. s waves cause...

question

English, 07.10.2019 18:30

Which is not a characteristic of a short story? plot theme rhymed couplets setting an...

question

History, 07.10.2019 18:30

1. why is the acquisition of the northwest territory in 1789 considered a turning point in american history? (ushc-2.1) a. it served as the pr...

question

History, 07.10.2019 18:30

21. which of the following is another name for the term general welfare? a. public good b. social contract c. social good d....

question

English, 07.10.2019 18:30

Decide which problem is illustrated by the following sentence: the calculator, which is made of hard plastic like the kind used in space capsules, is...

More questions: Chemistry Another questions

Questions on the website: 13722360