A 3.45 microgram sample of Uranium has a mass of how many grams?

Sunee mixes crushed ice into a glass of cold water. She puts the glass onto the kitchen counter. Then, she measures the temperature of the ice water. What should she expect to happen to the temperature of the ice and water mixture?

How many grams of methane, CH4 are produced from the complete reaction of 5.15 moles of carbon monoxide, CO

57.9 grams of gold has volume of 3 cubic centimeters what is the density

What are the atomic number and mass number for the carbon isotope with seven neutrons? express your answer as integers separated by a comma. z, a = ?

Calculate the quantity of energy required to change 8.22 mol of liquid water to steam at 100oc. the molar heat of vaporization of water is 40.6 kj/mol.

What is the ionic composition and osmolarity of "physiological saline" - the intravenous fluid drip you receive at a hospital?

Why do dipoles cancel out?

Match each chemical with the correct use. 1. x-ray soft tissue organs 2. reduce pain and fever 3. anesthetic 4. treat acne A. benzoyl peroxide B. nitrous oxide C. acetylsalicylic acid D. barium

What subatomic particles do the following symbols represent in the atomic diagrams

2. You have 2 m3 of a mineral ore sample. It has a mass of 1 * 104 kg. Calculate the density of the ore sample and express your results in g/cm3 with appropriate scientific notation.