Answer:
First and last sentence .♀️
Explanation:
An important thing to keep in mind about the Reading Comprehension section of the GRE as we use PowerPrep online to study is that it is just that—reading comprehension. In other words, as difficult as it may seem, and it can be pretty tricky, the test makers will always give us all the information we need in the passage to answer the question.
Answer:
The answer is pentene.
Explanation:
The nomenclature for an organic compound with 5 carbon atoms will have a -pent prefix.
An organic compound with at least one double bond will have alkene suffix, which is -ene.
Thus, the nomenclature for an organic compound that has 5 carbon atoms with at least one double bond will be pentene.
C.) protons , the nucleus contains 2 subatomic particles , one protons & neutrons ( protons have a + charge & neutrons have no electrical charge
Answer:
Relative molecular of the compound or infomation like vapour density, volume occupied by a known mass of its vapour at stp, etc
Explanation:
The molecular mass of a compound is twice its vapour density. We can find the molecular formula using the relationship below:
- Empirical formula is the simplest formula of a compound. It repeats itself "n" times to become a molecular formula i.e (EF)ₙ = MF...... n is the number of times the empirical formula presents in a mole of the compound.
- Most times, n is a whole number like 1,2,3,.....
Answer: 0.147 grams
Explanation:
To calculate the moles :
According to stoichiometry :
2 moles of 
require = 2 moles of ![NaOH/tex]Thus 0.049 moles of [tex]Al](https://tex.z-dn.net/?f=NaOH%2Ftex%5D%3C%2Fp%3E%3Cp%3EThus%200.049%20moles%20of%20%5Btex%5DAl)
will require=
of 
Thus is the limiting reagent as it limits the formation of product and is the excess reagent.
As 2 moles of give = 3 moles of 
Thus 0.049 moles of give =
of
Mass of 
Thus 0.147 g of will be produced from the given masses of both reactants.
