A gas has a volume of 590 mL at a temperature of - 55 C. What volume will the gas occupy at 30 C?

What is the unit used to measure the atomic mass?

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.

Is there a limit to how long a packet could be used

Calculate the grams of solid product and excess reagent when 2.50 grams of barium chloride is mixed with 4.00 grams of magnesium sulfate. Calculate the grams of solid product when 2.

Aluminum oxide forms when aluminum reacts with oxygen. 4Al (s) + 3O2 (g) → 2Al2O3 (s) A mixture of 82.49 g of aluminum (M. W. = 26.98 g/mol) and 117.65 g of oxygen (M. W. = 32.00 g/mol) is allowed to react. What mass of aluminum oxide (M. W. = 101.

Chemistry Lab Question: Filtration Compare the size the particles of refined sand with the size of particles of the dissolved salt in the mixture? Compare the size of the pores in the filter paper, to the sizes of the sand and salt particles?

What is the [oh-] in a sample of lime juice with a ph of 2.0?

What is the subscript present in NaCl?

Identify each element as a metal, metalloid, or nonmetal. a. gold b. silicon c. manganese d. sulfur e. barium

Extreme (1, 2, or 3) in the center of nebulae causes hydrogen atoms to shed their electrons and collide with one another. The (4, 5, or 6) of the collisions cause the smaller, bare nuclei to fuse into large helium nuclei. 1. expansion 2. heat 3.