What is the wavelength of a wave with a

velocity of 50 m/s and a frequency of 5 Hz?

What volume would a 200.0 g sample of hydrogen sulfide gas occupy at stp?

A block of aluminum with a mass of 140 g is cooled from 98.4°C to 62.2°C with a release of 4817 J of heat. From these data, calculate the specific heat of aluminum?

CuCl2 + Al - - - > AlCl3 + Cu Balance the single replacement chemical reaction

Why is language important to Mrs. Flowers? In the story of I know why the caged birds sing

Each appliance on the following list is used for 15 minutes. Which used the most energy? ceiling fan coffee maker dishwasher electric clothes dryer

A first order reaction has a rate constant of 0.816 at 25 oC. Given that the activation energy is 22.7 kJ/mol, calculate the rate constant at 34 oC. (enter answer to 3 decimal places)

Part b select the ester that is formed when propanoic acid reacts with isopropyl alcohol in the presence of heat and an acid catalyst.

Do metals form anions or cations

Which of the following gases in Earth's atmosphere would you expect to find as molecules and which as individual atoms? a. Nitrogen b. Oxygen c. Argon

You just found a metallic object in a creek bed. From the following tests and Figure 2, determine what it is. 96.5g will balance the object. Its mass is g. The object displaces 5 mL of water. Its volume is cm 3. The density of the object is g/cm 3.