A sample of diborane gas has a pressure of 345 torr at a temperature of - 15c and volume of 3.48L if conditions are changed so that the temperature is 36c and the pressure is 468 torr what will be the volume of the sample

The atomic number of silver-108 is 47. Its mass number is 108. How many protons and neutrons does silver-108 contain? A. 47 protons, 61 neutrons B. 47 protons, 108 neutrons C. 61 protons, 47 neutrons D. 108 protons, 47 neutrons

Which element above has 8 protons in its nucleus? a. oxygen b. carbon c. phosphorus d. sulfur

Which of the following is not true? Newton's Laws include three laws about force and motion. An object will not change velocity unless acted upon by a force. Every action has an equal and opposite reaction.

A student purchases and weighs 5 pounds of carrots from a local grocery store. she notices that the grocery store constantly sprays its produce with distilled water.

Which one of the atoms shown would be most likely to form a cation with a charge of 1?

How many moles of methane are produced when 25.1 moles of carbon dioxide gas react with excess hydrogen gas?

Which reaction releases the greatest amount of energy per kilogram of reactants? A) neutron + uranium-235 ➡️ barium-141 + krypton-92 + 3 neutrons B) 2C + H2 ➡️ C2H2 C) C3H8 (g) + 5O2 (g) ➡️ 3CO2 (g) + 4H2O (l) D) NaOH (aq) + HCl (aq) ➡️ NaCl (aq) +

Name the hardest artificial substance known?

Suzzane has type A - blood. Which thpe of blood could she receive in a blood transfusion?

What can I draw or write about that's related to science?