Other Chemistry Answers

140 g of S2Cl2 was collected from the reaction of 640 g of Sulfur and 142 g of Chlorine. What is the maximum amount of S2Cl2 in grams that can be produced from the reaction?

140 g of S2Cl2 was collected from the reaction of 640 g of Sulfur and 142 g of Chlorine. What is the maximum amount of S2Cl2 in grams that can be produced from the reaction?

Solve the following problems using the correct format. Given first, what is asked for, and the formula together with the solution. 

1. A gas occupies a volume of 400 cm³ at a pressure of 2.00 atm. What would be the new pressure if the volume is increased to 500 cm³ ?
2. The volume of a given gas was 50 cm3 at 260C. After heat was applied to the gas, its volume increased to 80 cm3 . If the pressure was held constant, what is the new temperature of the gas? 

Oxygen gas inside a 1.5 L gas tank has a pressure of 0.95 atm. Provide the temperature remains constant, how much pressure is needed to reduce it's volume by 1/2

1.The pH sample of human blood was measured to be 7.41 at 25 degrees celsius. Calculate the hydrogen ion concentration, H' and hydroxide ion, OH for the sample.

What is the identity of element X in this equation? ⁴²19K-->42₂₀X + 0-1ß

8. What is [H3O+] for a 0.500 M solution of hydrochloric acid? Make sure you include the ionization equation. (2 marks)

9. If 2.50g of the strong base lithium hydroxide is dissolved in 1.50 L of solution, what is the concentration of hydroxide ions? Make sure you include the dissociation equation. (3 marks)?

a 10.0L cylinder of gas is stored at room temperature (20.0c) and a pressure of 1800psi if the gas is transferred to a 6.0L cylinder at what temperature would it have to be stored in order for the pressure to remain at 1800 psi

Which of the following combinations of quantum numbers is not allowed?

A. n = 3, l = 2, ml = -1, ms = -1/2

B. n = 2, l = 1, ml = -1, ms = -1/2

C. n = 2, l = 0, ml = 1, ms = +1/2

D. n = 3, l = 1, ml = 0, ms = +1/2

I belive it's c but im not so sure

4 Titration of 0.2121 g of pure Na2C2O4 required 43.31 mL of KMnO4. What is the molar concentration of the KMnO4 solution? The chemical reaction is MnO4- + C2O42- + H+ ----------> Mn2+ + CO2 + H2O (unbalanced equation) Atomic masses: Na = 23 C = 12 O = 1