A sample of helium gas is at 122 kPa and 22°C. Assuming constant volume, what will the temperature be when the pressure is 203 kPa?

An unknown liquid has a pH lower than 7, conducts electricity poorly, and tastes sour, what kind of solution is the unknown?

This is a model of a normal chromosome

Which of the following characteristics is not a property of an acid? Has a sour taste Accepts an H + ion in reaction May cause damage to buildings, statues, and rivers Increases the concentration of hydronium ions in an aqueous solution

For the reaction 2Co3 + (aq) + 2Cl - (aq) →2Co2 + (aq) + Cl2 (g). E∘=0.483 V what is the cell potential at 25 ∘C if the concentrations are [Co3+] = 0.765 M, [Co2+] = 0.369 M, and [Cl-] = 0.486 M, and the pressure of Cl2 is PCl2 = 9.

For an experiment, we need 4.5 L of a 1 M solution of Nacl. How many moles of NaCl do we need?

In a basic solution A. concentration of OH - > concentration of H+. B. concentration of OH - < concentration of H+. C. concentration of OH - = concentration of H+. D. concentration of H + > concentration of OH-.

You have two balloons of equal volume at room temperature and 1 atm pressure. One balloon is filled with He and the other is filled with H2. Which statement is true about the relative number of gas particles in the two balloons?1.

Explain in detail what causes tides and give one reason why it is important for humans to monitor tides.

Consider a binary acid, represented as ha, in which one or more ionizable h atoms are bonded to one additional element. ha is not an oxoacid.

How to test whether a vegetable or fruit can conduct electricity?