A sample of aluminum is placed in a 25.0 ml graduated cylinder containing 10.0 ml of water the level of the water rises to 18.0 ml aluminum has a density of 2.70 g/mL what is the mass?

Consider a balloon that has a volume V. It contains n miles of gas, It has an internal pressure of p, and it's temperature is T. If the balloon is heated to a temperature of 15.5P while it is placed under a high pressure of 15.

What is the term given to the penetrating rays and particles given off by radioactive materials called

The thermal reaction of cis - (CO) 4 (PR3) 2 + CO → Mo (CO) 5 (PR3) + PR3 occur most rapidly when R = ? a. PMe3b. PH3c. PEt3d. PPh3

Which of the following statements regarding energy changes during a reaction are true?. 1) If the heat of reaction, ΔH, is negative, the energy of the products is higher than the energy of the reactants, and the reaction is endothermic.

Convert 345 cm2 to the equivalent number of square feet (ft2)

If a weather map has a symbol that shows a circle with an H in the middle, what is it referring to? A.) high pressure B.) high weather C.) high temperature D.) humid weather

The freons are a class of compounds containing carbon, chlorine, and fluorine. while they have many valuable uses, they have been shown to be responsible for depletion of the ozone in the upper atmosphere.

How will you describe the pathway of oxygen in the breathing system?

Match the standard reduction potentials for each half reaction and the electric potential for the voltaic cell.

Which of the following is NOT a unit used to measure temperature? Question 20 options: Kelvin Watt Celsius Fahrenheit