Why does a leak in a car tire (at constant temperature) decrease the pressure of the tire?

A) It removes kinetic energy from the system.

B) The number of molecules decreases.

C) The temperature decreases.

D) The volume decreases.

Technetium-99m, a "metastable" nuclide of Tc is produced by the reaction ? → 99mTc + β What is the starting nuclide? 1. 100Mo 2. 100Tc 3. 100Ru 4. 99Mo 5. 99Ru 6. 99Tc

An iron bar at 325 kelvin is placed in a sample of water. The iron bar gains energy from the water if the temperature of the water is a) 65 kelvin b) 45 kelvin c) 65 degrees Celsius d) 45 degrees Celsius

The atomic mass of 12C is 12.000000. Multiply the atomic mass of 12C by its abundance. Report the number to 5 significant digits.

Describe two ways in which the gender based violence law protects citizens against human rights violations

When dissolved in water, which compound is generally considered to be Arrhenius acid

Which elements are likely to have a larger atomic radius than silicon (Si). aluminum (Al) carbon (C) sulfur (S) tin (Sn)

What volume of concentrated nitric acid (15.0 M) is requiredfor the preparationof 2.00 L of 0.001M nitric acid solution?

Which are NOT vascular seedless plants?

Consider this reaction: 2al (s) + 3 cucl2 (aq) → 2alcl3 (aq) + 3 cu (s) if the concentration of cucl2 drops from 1.000 m to 0.655 m in the first 30.0 s of the reaction, what is the average rate of reaction over this time interval?

Which metal is most likely to be formed easily into thin sheets? o scandium o chromium O gold