Hyphen notation of the three isotopes of hydrogen

An object with a mass of 6.6 g raises the level of water in a graduated cylinder from 25.1 mL to 30.3 mL. What is the density of the object?

Why do consumers feel warmer after eating a meal

An atom of selenium (Se) forms a monatomic ion. Which of the following ions does is most likely form? Possible answer choices: Se^2+ Se^6- Se^6+ Se^2-

It has been proven that North America is moving west about 2 cm per year. How many kilometers wouldn't move in 5000 years

Write a balanced equation to show the reaction of sulfurous acid with caesium hydroxide to form water and caesium sulfite.

Running a mile involves

How many calories are there in a 255 Food Calorie snack bar? a. 1 x 103 b. 2.55 x 105 c. 1.07 x 103 d. 60.9 e. none of the above

What is the greatest amount of ammonia (NH3) in moles that can be made with 4.7 mol N2 and 6.9 mol H2? Which reactant is limiting? How many moles of excess reactant will be left after the reaction?

Which one of these elements is an alkaline earth metal

Write the chemical equations for the neutralization reactions that occurred when hcl and naoh were added to the buffer solution.