A chemist adds 0.10 mol argon gas to the syringe. The pressure and temperature remain constant. What will be the volume on the syringe after the argon is added?

An ideal gas has a density of 1.10*10-6 g/cm3 at 1.00*10-3 atm and 80.0 ∘c. identify the gas.

How much thermal energy is required to heat 15.2g of a metal (specific heat = 0.397 J/g * degrees celsius) from 21.0 degrees celsius to 40.3 degrees celsuis?

Which of the following substance is not an acid? Substance A is tested and found to have a pH of 3. Substance B, a common food, tastes sour. Substance C causes metals to corrode. Substance D feels slippery in solution.

How many valence electrons does oxygen have? a. 2 c. 6

Which of these pairs of elements is most likely to be part of a polyatomic ion? Li and I K and F Mg and Br S and O

Which of the following statements correctly describes the relationship between fossils and rock strata? Fossils found in the rock strata are all the very small in size. Fossils are all found only in the top layers of the rock strata.

The trend for ionization energy is a general increase from left to right across a period. However, magnesium (Mg) is found to have a higher first ionization energy value than aluminum (Al).

A man is about to receive a bone marrow transplant. He is taking pills to suppress his immune system so that: A. his immune system does not attack the transplanted marrow. B. his immune system can recover after surgery. C.

Nickel (ii) chloride dissolves in water to form a light green solution. what ions are present in solution-that is, what is "swimming around" in the aqueous solution? write the formulas

Calcium sulfide forms when calcium loses 2 valence electrons to sulfur. What type of a bond is formed? Select one of the options below as your answer: A) covalent B) ionic