qixtp15 qixtp15

14-10-2020
Chemistry

contestada

Which is a chemical property of oxygen?

1.It reacts with iron to form rust.
2.It is a gas at room temperature.
3.It expands when heated.
4.It combines to form O 2 molecules.

Respuesta :

LewiRe233 LewiRe233

14-10-2020

Answer: I think the answer is 1

i just learned this about two weeks ago

Explanation:

Answer Link

Otras preguntas

In the formula e = hf, if e is doubled and f is halved, what happens to the value of h?

If a circle is cut from a square piece of plywood, how much plywood would be left over? Use 3.14 for pi

A boy can swim 75 feet in 12 seconds. What is his rate to the nearest mile per hour?

When y = x^2, which of the following expressions is equivalent to –y ?

A boy can swim 75 feet in 12 seconds. What is his rate to the nearest mile per hour?

Most autotrophs make “food” through the process of a. photosynthesis. b. homeostasis c. chemosynthesis d. cellular respiration

A boy can swim 75 feet in 12 seconds. What is his rate to the nearest mile per hour?

The sales tax rate is 8%. Estimate the tax on a jacket that costs $69.95.

If 4x+5y=10 and x+3y = 8 then (5x+8y)/3=

An object of mass 2 kg has a linear momentum of magnitude 6 kg • m/s. What is this object’s kinetic energy?