Which of these chemical equations is correctly balanced?

a. mno4 + 2 c2h2o4 mn + 2 co2 + 4 h2o

b. mno4 + 3 c2h2o4 mn + 6 co2 + 4 h2o

c. mno4 + 4 c2h2o4 mn + 8 co2 + 4 h2o

d. mno4 + 6 c2h2o4 mn + 12 co2 + 12 h2o?

Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

What is the correct lewis structure for chloroform chcl3

Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic