While in europe, if you drive 111 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your car's gas mileage is 38.0 mi/gal ? assume that 1euro=1.26dollars. and show me how.

Determine the number o moles of ions/atoms/particle in the following: 2.50 miles of k2s (let me know how to do)

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 →

If a 12-v battery is connected to a circuit that has a current of 3.0 a, what is the total resistance in the circuit? 36 ohms 4 ohms 0.25 ohms