Which equation should be used to calculate the speed of a wave?

speed = frequency x wavelength

speed = frequency x hertz

speed = period x wavelength

speed = period x hertz

An automobile tire at 30°C has a pressure of 3.00 atm. Temperature decreases to - 5°C. Assume that there is no volume change in the tire. What is the new pressure of the tire after the temperature change?

Which is an example of an organism? A. an octopus B. sand granules C. water D. the colors of a feather

When a solution of NaI reacts with a solution of AgNO3, what is the net ionic equation? Na + (aq) + NO3 - (aq) → NaNO3 (s) Na (aq) + NO3 (aq) → NaNO3 (s) No reaction Ag + (aq) + Cl - (aq) → AgCl (s)

An ice cube has mass 9.0g and is added to a cup of coffee. The coffee's intial temp. is 90.0 deg. Celsius and the cup contains 120.0 g of liquid. Assume the specific heat capacity of coffee is the same as that of water.

Water (2350 g) is heated until it just begins to boil. If the water absorbs 5.83*105 J of heat in the process, what was the initial temperature of the water? Express your answer with the appropriate units.

The volume of oxygen required for complete combustionof a mixture of 5 cm3 of ch4 and5 cm3 c2h4

What part of the digestive system removes most of the water from food? Question 4 options: Small intestine Stomach Large intestine Esophagus Save

In which type of chemical bonding are electrons shared among all atoms in the substance?

As pressure decreases, density: A. decreases B. increases C. remains the same

Use the unbalanced equation NH3+O2--> NO+H2O to find the mole ratio between NH3 ad O2