Which chemical reaction supports the law of conservation of matter? A
K + MgBr → KBr + Mg

B
2K + 2MgBr → KBr + 2Mg

C
K + 2MgBr → KBr + 2Mg

D
2K + MgBr → 2KBr + Mg

An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g

Given the following information: mass of proton = 1.00728 amu mass of neutron = 1.00866 amu mass of electron = 5.486 × 10^-4 amu speed of light = 2.9979 × 10^8 m/s calculate the nuclear binding energy (absolute value) of 3li^6. which has an atomic mass of 6.015126 amu. j/mol.

How do i turn 2 s into one in the products