How many grams of CO2 are in 2.1 mol of the compound?

Answer:

The prefix is but-.

Explanation:

"A molecule of a compound contains a total of 10  hydrogen atoms and has the general formula CnH2n+2.Which prefix is used in the name of this compound?

A) but- B) dec- C) oct- D) pent"

Hydrocarbons are compounds that contain only carbon and hydrogen. They are divided into aliphatic and aromatic hydrocarbons.

In aliphatic hydrocarbons, carbon atoms form open chains and are classified as alkanes, alzenes or alkenes, and alcines or alkynes.

Alkanes have only simple bonds between carbon atoms. The general formula for aliphatic (straight-chain) alkanes is CₙH₂ₙ₊₂.

Alkenes are hydrocarbons that have a carbon-carbon double bond in their molecule, and that is why they are called unsaturated. The generic formula is CₙH₂ₙ.

Alkynes have a triple bond between two carbon atoms. Its general formula is CₙH₂ₙ.

So in this case, you know that it is an alkane. To name an alkane, you must know the number of carbons n. For that you know that the compound has 10 hydrogens. That is, 2n + 2 must be 10. Then you can calculate the value of n:

2*n+2=10

2*n=10 -2

2*n=8

n=8÷2

n=4

So, in this case, the prefix is but-.

Acid Rain is formed when chemicals in the air get into rain and up the acidity levels!!!!!!

Hope this helps guys!

Answer:

yes acid rain

Explanation:

the ideal gas law equation is as follows

PV = nRT

where P - pressure

V - volume

n - number of moles

R - universal gas constant

T - temperature

so if the pressure, volume and temperature are already known

we are left with n and R

since R is the universal gas constant that has a known fixed value then R too is known

so we are left with 'n'

once we know temperature volume and pressure

we can find the number of moles of gas present using the ideal gas law equation

A.) the molar amount of gas

Hope it helps!

Answer:

B: reliable because testable facts are presented

Explanation:

give the other guy brainliest he got here first

Answer:

Mg ( C )

Explanation: