30 POINTS TO HONEST ANSWER WILL REPORT IF U JUST ANSWER FOR POINTS- Which of the following correctly balances the equation below? 263 106 Sg 259 104 Rf

A. Y

B. 4 2 He

C. 0 -1 e

D. 0 1 H

Asample of ammonia reacts with oxygen as shown. 4nh3(g) + 5o2(g) 4no(g) + 6h2o(g) what is the limiting reactant if 4.0 g of nh3 react with 8.0 g of oxygen? o2 because it produces only 0.20 mol of no. nh3 because it produces only 0.20 mol of no. o2 because it produces two times less no than nh3. nh3 because it produces three times more no than o2.

Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand

Can someone me with 3 and 4 plz. this is for masteries test.