While in Europe, if you drive 125 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 34.0 mi/gal? Assume that 1euro=1.26dollars.

A piece of charcoal used for cooking is found at the remains of an ancient campsite. a 0.94 kg sample of carbon from the wood has an activity of 1580 decays per minute. find the age of the charcoal.

Given pH = 8.55 Find: [H3O+] and [OH-] Is this acidic, basic or neutral?

Which headings should be used to complete this table? R-OHR -o-R R-C- R O= R -C-H R -C-OH R-C-0-R' 0 Beverages Fuel Anesthetic Weak acid Organic solvent Organic solvent Preservative Adhesive Vinegar Fats Fragrances compound (top row);

How are pure crystalline substances characterized?

Nitrogen (N) and hydrogen (H) react with each other to produce ammonia (NH3). This reaction is shown in an equation as N2 + 3H2 → 2NH3. What is the ratio of nitrogen atoms to hydrogen atoms in ammonia? 1 to 2 1 to 3 2 to 1 2 to 3 3 to 1

8. A text book has a mass of 22 lbs, The book is 8 inches by 15 inches by 11.77 inches. What is the density of the textbook using the values given? FLES $125.00

What is diffusion and how does it work

Calcium hydroxide and hydrochloric acid react to form calcium chloride and water as shown in the chemical reaction.

1 calorie is equal to A. 4.184 J B. 1,000 J C. 6.02x10^23 J D. 8.314 J

Which of the following reactant pairs will not react together to produce a reaction?