What is the isotope with 50 protons, 68 neutrons, and 50 electrons?

a gas has a volume of 4.54 L at 1.65 atm and 75. I decrease celsius. At what pressure would the volume of the gas be increased to 5.33 L if the temperature is increased to 103 degrees Celsius?

Choose all that are true for metals. HINT: You will need to check 5 of them! Question 25 options: bendable (malleable) dull weak able to be made into a wire (ductile) strong good conductor shiny brittle

Why do magnets have to face each other to attract

Place the following in order of increasing ionization energy: I, F, Br, Cl

Would beryllium or sodium have properties more similar to magnesium?

At 700 K acetaldehyde decomposes in the gas phase to methane and carbon monoxide. The reaction is: CH3CHO (g) →CH4 (g) + CO (g) A sample of CH3CHO is heated to 700 K and the pressure is measured as 0.15 atm before any reaction takes place.

Which of the following is the final concentration of KCl if 500 ml of 0.25 M KCl is diluted to a final volume of 5 L? 0.025 L 0.0025 L 25 L 2.5 L

The isomerization of 3-phosphoglycerate (3PG) to 2-phosphoglycerate (2PG) has a ΔG°' = + 4.4 kJ/mol. If [2PG] = 4.0 mM and [3PG] = 22.2 mM, in which direction will the reaction move to reach equilibrium at 37°C?

What are some facts about the element Rutherfordium

Luis set a glass of ice water out side is the sunshine. when he looked at the glass 10 minutes later, the contents had changed. what kind of change happened to the ice water? A. evaperation B. conduction C. chemical change d. sudden change