Which of the following has a crystalline structure? air a copper gold alloy sugar water saltwater

A sample of neon has a volume of 5.00 L, and initial temperature of 425 K, and an initial pressure of 1.23 atm. If the final temperature is 288 K, and the final volume is 0.555 L, what is the final pressure? 5.04 atm 7.51 atm 1.82 atm 9.08 atm

Which most likely indicates a chemical change has occurred?

What is the amount of energy carried by a photon that has a frequency of 3.76 x 1014 Hz?

Which term is the maximum amount of a solute that dissolves in a given amount of solvent at a constant temperature? A) Solubility B) Concentration C) Degree of saturation

If methyl benzoate is the limiting reagent, and 1.3 g of methyl benzoate were used for this reaction, what is the theoretical yield of the mono nitration reaction? (hint: the product formula is C8H7O4N)

Regalo puntos : v vengan a mi prros

Write a net ionic equation for the overall reaction that occurs when aqueous solutions of phosphoric acid (h3po4) and potassium hydroxide are combined. assume excess base. use the pull-down boxes to specify states such as (aq) or (s).

What are the coefficients that will balance the skeleton equation below? n + h ⟶ nh?

Restate Newtons first law in terms of acceleration

Why is burning is not a recommended method of disposing plastics