A student uses red litmus paper to test the pH value of different solutions. Which would result in a color change of the litmus paper? soap
vinegar
lemon juice
antifreeze

8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm

What is the atomic number of an atom that has 6 protons

Which three statements represent the benefits of performing experiments using computer simulations?