A gaseous mixture consists of 1.25 mol of helium, 0.36 mol of neon, and 1.58 mol of argon. 1st attempt What is the mole fraction of helium in the mixture?

The main function of the circulatory system (at least a paragraph) !

In a play, the rising action consists of the events that lead up to the a. last line in the scene. c. external conflict. b. climax. d. internal conflict.

When 80 g of sodium hydroxide, naoh, are dissolved in enough water to make 500 ml of solution, the molarity of the solution is?

What is the name of the acid hclo2?

Look at this reaction: 3NO (g) ⇆ N2O (g) + NO2 (g) Keq = 1.8*10^ (18) (at 298 K), △H° = - 155 kJ/mol. Which of the following statements about this reaction is not correct? a) ΔS < 0 because there is more order in the products than in the reactants.

Complete the following statements about the functions of the digestive system. The starts an involuntary swallowing action when it senses food. The squeezes food down the digestive tract by an involuntary synchronized muscle movement called.

Explain how thermal energy is transferred through convection.

What are the coefficients that will balance this skeleton equation? a l c l 3 + naoh → al (oh) 3 + nacl?

Which cluster in the agriculture industry would be most likely to partner with the animal systems cluster to introduce new modern procedures to animal careers

Sarah is ordering cheese pizza for a party of ten people she knows each pizza has 8 slices to figure out how many pizzas to order sarah needs to know the