Inessicallew Inessicallew

09-03-2017
Chemistry

contestada

Select all of the answers that apply. what are the two main ingredients in air? oxygen carbon dioxide nitrogen helium hydrogen

Respuesta :

09-03-2017

Carbon dioxide and nitrogen

Answer Link

Аноним Аноним

09-03-2017

Two main ingredients of air: Oxygen(21%) and Nitrogen(78%)

Answer Link

Otras preguntas

Samuel wants to estimate what 5843 x .00243 is. What should his first step be?

what does the last line of the poem mean to my dear

Older married couples usually have fairly high marital satisfaction. usually had higher marital satisfaction when their children were at home. have increased po

EXTRA POINTS >> Which of the following graphs shows all the possible values for a number that is more than 8? Number line with closed circle on 8 and shad

How are jobs affected by supply and demand ?Explain how changes in supply and demand couple impact employment and jobs?

Consider two bonds, a 3-year bond paying an annual coupon of 6.90% and a 10-year bond also with an annual coupon of 6.90%. Both currently sell at a face value o

The following are the ages (years) of 5 people in a room: 12, 19, 24, 21, 21 A person enters the room. The mean age of the 6 people is now 25. What is the age o

245 x 20 remander2/13 a) Find the value of Write your answer correct to the nearest 10. b) Find the value of square root of 58 - 29 + 38 Write your answer corre

The tension in a string is 15 N, and its linear density is 0.85 kg/m. A wave on the string travels toward the -x direction; it has an amplitude of 3.6 cm and a

For the reaction below, initially the partial pressure of all 3 gases is 1.0atm. . 2NH3(g)--> N2(g) + 3H2(g) K, 0.83 1. When the reaction reach equilibrium t