Calculate the ΔGr0 of the following reaction and state whether is it spontaneous at standard temperature or not. (You will need table B-12 in your CRG) 2HCl(aq) + Ca(OH)2(s) → CaCl2(s) +2H2O(l)

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?

If 15 drops of ethanol from a medical dropper weight 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? the density of ethanol is 0.80g/ml

Two nails have identical sizes and shapes. in one nail, 20 percent of the domains are lined up. in the other nail, 80 percent of the domains are lined up. which has stronger magnetic force? first answer gets brainliest!