What do the symbols in parenthesis indicate? cacl2(aq) 2agno3(aq)) → ca(no3)2(aq) 2agcl(s)

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?

Akno3 solution containing 51 g of kno3 per 100.0 g of water is cooled from 40 ∘c to 0 ∘c. what will happen during cooling?