How many grams of NO2 are in 3 moles of a nitrogen dioxide?

90.2g

138.2g

160g

0.07g

Take the same balloon that you rubbed against the fabric near a wall. What do you observe?

A train travels 160 km in 2 h. What is the train's average speed in km/h?

Determine the type and degree of each of the following expressions 9x^4 y^9 x^4-3x^2+7x^5 19a^6b^2 + 8ab^3c - 27a^7

Sometimes two waves involved in destructive interference have the same amplitude. What would happen to the two waves in this situation? A. The two waves would increase in amplitude. B. The two waves would decrease in frequency. C.

How do i do a Wavelength and frequency problem

A football quarterback is moving straight backward at a speed of 3.00 m/s when he throws a pass to a player 20.0 m straight downfield. (a) if the ball is thrown at an angle of 25.

Simone is walking her dog on a leash. The dog is pulling with force of 34 N to the right and simone is pulling backward with a force of 16 N

An object moves with velocity v (t) = t^2-8t+7 a) write a polynomial expression for the position of the particle at any time t greater or equal to zero.

Is a lack of thorns a mutation? (on a plant)

Why is the motion of an athlete moving along the circular path with Constant speed considered to be an accelerated motion?