Calculate the final temperature of a mixture of 160.0 g of ice initially at -25.00 °C and 309.0 g of water initially at 87.00 °C.

1. combine iron and copper (ii) sulfate solution. (hint: iron will form the iron (iii) ion) fe + cuso4 → 2. combine lead (ii) nitrate and potassium iodide solutions. pb(no3)2+ kl → 3. combine magnesium metal and hydrochloric acid solution. mg + hcl → 4. electrolysis (splitting) of water. h2o → 5. burning magnesium. mg + o2 →

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

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?