Convert 72g of O2 to moles

A cart is pulled by a force of 250 N at an angle of 35° above the horizontal. The cart accelerates at 1.4 m/s2. The free-body diagram shows the forces acting on the cart. The mass of the cart, to the nearest whole number, is kg?

In the pie chart below, which of the following represents the amount of Earth's water located in the oceans? A pie chart with part A representing 2%, part B representing. 8%, part C representing. 2% and part D representing 97%.

An experimental procedure requires 10 ml of acid to be dissolved into a beaker of water. An additional 5 ml of acid is added to the solution.

How many significant figures are used in expressing a measurement as 0.2503 l?

Which of the following is an advantage of the sole proprietorship form of ownership? A. Limited liability B. Split responsibility C. Control over the business D. Unlimited liability

Which of the following atoms will not react with water? A. K B. Li C. Pb D. Na

Which of the following is not a component of plasma? A. Carbon monoxide B. Blood C. Water D. Oxygen

The atomic radius of an element _ when you move from the top to the bottom of a family. O decreases O increases

Lowest density of all elements

A chemical engineer for a fertilizer company is determining the most efficient way to produce ammonia. the engineer carries out the haber reaction under four different conditions.