narwhalsteelman narwhalsteelman

11-01-2017
Chemistry

contestada

The combining of hydrogen and oxygen gas into liquid water is an example of what kind of change?
A. Phase
B. Chemical
C. Physical

Respuesta :

Sondoss Sondoss

11-01-2017

The combining of hydrogen and oxygen gas into liquid=H2O (water) is a compound or a molecule because it is 2 different elements combined with chemical bonds so its Chemical. B

Answer Link

jessicatiscareno22 jessicatiscareno22

08-01-2021

Answer: your answer will be B

Answer Link

Otras preguntas

what was one goal of the Higher Education Act?A.to ensure the quality of colleges and universities B. to standardize tests for College admission C. to help stud

If you were to travel back in time, in what epoch would you discover the oldest modern human fossils?PleistoceneHolocenePaleoceneEocene

Materials must have which two qualities in order to be classified as direct materials? a. they must be classified as both prime costs and conversion costs. b. t

How many moles of PBr3 contain 3.68 x 10^25 bromine atoms?

What is the solution to the equation 7/8 (x-1/2)= -49/80

Match the expression with the property used to generate 5y + 2y + 6 + 2

15 points if answer this question

What is the equation of a circle with a center at (-3, 6) and a radius of 7?

Identify concerns you have as a student in learning and practicing blood specimen collection. Are you concerned of hurting the patient? Infectious disease? What

at 7 p.m. last night, the temperature was 10 degree. at 7 a.m. the next morning the temperature was -2 degree. By how much did the temperature change from 7 p.m