A small statue that has a mass of 500.0 g displaces 150.5 ml of water. What is its density in grams per millilitres? What is the mass percent of hydrogen in water? What is the mass of NaCl in deionized water? What is the mass of a liquid with a density of 2.12 g/mL and a vol...
Hydrogen is a clean alternative to methane and is the most abundant chemical element, estimated to contribute 75% of the mass of the universe. Find out why hydrogen is important as a future clean energy source to fuel our homes and businesses.
The atomic mass of an element is the total mass of its protons, neutrons, and electrons. On the Periodic Table of Elements, the atomic number of an element is equivalent to its number of protons.Answer and Explanation: The average atomic mass of hydrogen is 1.008. The average atomic mass ...
B) What are the molar concentrations of the Na+ and PO4^3- ions? What is the concentration by mass of the solute in a solution prepared by dissolving 2.5 x 10-7 moles of Na3PO4 in 1 L of water? What mass of sodium phosphate is dissolved in 255 g of a solution ...
An ideal gas exerts a pressure of1.52MPa when its temperature is298.15Kand its volume is10−2m3. (a) How many moles of gas are there ? (b) What is the mass density if the gas is molecular hydrogen ? ( c) What is the mass density if the gas is oxygen ?
What is the mass of 800 mL of water at room temperature? Mass: Mass refers to how heavy an object is or the amount of matter in an object. The mass of an object depends on the type of object. There are many measurements used for measuring the mass of an object. Some examples of ...
Nitrogen – 2.4kg The four most abundant elements in the human body – hydrogen, oxygen, carbon and nitrogen – account for more than 99 per cent of the atoms inside you. They are found throughout your body, mostly as water but also as components of biomolecules such as proteins, fats, ...
Newton publicized his Theory of Universal Gravitation in the 1680s. It basically set forth the idea that gravity is a predictable force that acts on all matter in the universe, and is a function of both mass and distance. The theory states that each particle of matter attracts every other ...
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We are given the following data: The value of the initial volume of the hydrogen is V1=40.0 L. The value of the initial pressure of...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts ca...