Chemistry, 17.12.2019 09:31 johncruzguerrero70

Which of the following illustrates the conservation of matter?
a. 4 al + 3 o2 —> 2 al2o3
b. 2 c2h6 + 6 o2 —> 4 co2 + 7 h2o
c. 4 co2 + h2 —> 2 ch4 + h2o
d. mg + o2 —> mgo

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 02:00, hemolelekeakua

The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?

Answers: 3

continue

Chemistry, 22.06.2019 15:30, lizzyhearts

Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficients. add a 1 if there should be no coefficient. cs2(l) + o2(g) → co2(g) + so2(g) c [ ] s [ ] o > c [ ] s [ ] o [ ] cs2(l) + [ ] o2(g) > [ ] co2(g) + [ ] so2(g)

Answers: 3

continue

Chemistry, 22.06.2019 22:00, Porciabeauty6788

The diagrams to the right show the distribution and arrangement of gas particles in two different containers. according to kinetic-molecular theory, which of the following statements is true? check all that apply. if the temperatures of both containers are equal, container a has greater pressure than container b. if the volume of container a decreased, its pressure would decrease. if the pressure in both containers is equal, container a has a lower temperature than container b.

Answers: 2

continue

Chemistry, 23.06.2019 15:30, expeditionofsin

How many moles of potassium nitrate, kno3 are present in a sample with a mass of 85.2 g?

Answers: 1

continue

You know the right answer?

Which of the following illustrates the conservation of matter?
a. 4 al + 3 o2 —> 2 al2o3...