A _________ is something that has definite composition.

Q: How many protons does helium have

A: For a neutral atom, the atomic number of the element gives the number of protons.

Q: What would be the condensed formula for the structure?

A: Condense formula of any molecules or chemical compound is a representation of the given formula with...

Q: Match the following aqueous solutions with the appropriate letter from the column on the right. Assu...

A: Highest particle lowers the freezing point

Q: How many elelents are on the periodic table?

A: The periodic table consists of 91 metals and 27 non-metals and metalloids, together consisting of to...

Q: A mouthwash is 21.6% ethanol by mass. If each botte contains 0.358 pt of mouthwash with density of 0...

A: The mass of ethanol in each bottle is calculated as,

Q: Is it because bowling balls density is lower than waters density?

A: Buoyancy:It explains the floating nature of a substance in a fluid based on the densities of the sub...

Q: A  person is 6 feet 4 inches tall; how many cm tall are they?  2.54 cm = 1 in. Report your answer wi...

A: The conversion factor for feet and inches is:1 feet = 12 inches Hence, 6 feet =12 X 6 inches        ...

Q: Calculate mass density with conversions (I attached picture)

A: Given data:Volume of the unknown liquid = 1378 cm3                                                = ...

Q: A 0.547 g0.547 g sample of steam at 104.3 °C104.3 °C is condensed into a container with 4.82 g4.82 g...

A: The mixing of steam and water involves the loss of heat energy by steam which will be gained by cool...