30 POINTS TO WHOEVER HELP ME PLEASE Given the equation
MgCO3(s) + H2SO4(aq) ==> MgSO4(aq) + H2O(l) +CO2(g)
What mass of magnesium carbonate is needed to make 6 dm3 of carbon dioxide at rtp?
[Ar's: Mg = 24, C = 12, O = 16, H =1 and S = 32]

Aluminum–lithium (al-li) alloys have been developed by the aircraft industry to reduce the weight and improve the performance of its aircraft. a commercial aircraft skin material having a density of 2.47 g/cm3 is desired. compute the concentration of li (in wt%) that is required.

The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed

Ahydrogen atom has 1 electron. how many bonds can hydrogen form? a) 1 b) 2 c) 3 d) 4 e) 5