Which law states that the volume and absolute temperature of a fixed quality of gas are directly proportioned under constant pressure conditions

Sometimes manufacturers do not want heat to be conducted through certain parts, such as the handles of pots, the steering wheels in cars, and swings on playgrounds. What material are these parts likely to be made out of?

Given a balanced chemical equation below: 3Cu (s) + 2H3PO4 - - - > Cu3 (PO4) 2 + 3H2 How many moles of copper are needed to react with 5 moles of phosphoric acid?

A sample of crystalline compound when heated in an open test tube, produced several droplets of water on the upper region of the tube. The residue dissolved in water forming a yellow brown solution.

Consider this equilibrium: HCO31 - + H2PO41 - HPO42 - + H2CO3. What are the Brønsted-Lowry acids in this equilibrium? A. HCO31 - and H2CO3 B. HCO31 - and HPO42- C. H2PO41 - and H2CO3 D. H2PO41 - and HPO41- E. HCO31 - and H2PO41-

The teacher in item 10 also needs to order plastic tubing. If each of the 60 students need 750 mm of tubing, what length of tubing in meters should the teacher order?

What is the enthaply of the reaction?

Which color has a higher frequency, A. red light B. blue light

what is the volume of 0.98 mol oxygen (O2) gas at 275 K and a pressure of 2.0 atm? (the universal gas constant is 0.0821 L*atm/mol*K)

Which element is classified as an alkali metal? Rb Sr Zr Cl

Which statements about a neutral atom are correct? Check all that apply. The positively charged particles in the nucleus are positrons. The radius of the electron cloud is twice as large as the radius of the nucleus.