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Chemistry

1 answer:

Serggg [28]2 years ago

5 0

1. An isomers, are molecules with the same chemical formula but different structural formula.

2. Isomers of hexane are skeletal isomers. They have the same chemical formula (C₆H₁₄) but have different carbon chain and different chemical properties.
There are five isomers of hexane.

Look at the attachment :)

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How many moles of HCL are needed to react with 0.300 mol of na2 CO3

Morgarella [4.7K]

Answer:

(b) Calculate the molarity of a solution of 4.8 mole of HCl in 600 mL of solution. ... (g) Calculate the mass of Na2CO3 that must be used to make 700 mL of a 0.136 M Na2CO3 ... (h) What mass of NaOH is needed to make 200 mL of a 0.300 M NaOH solution? ... However, when we are reacting solutions we have to convert.

Explanation:

4 0

2 years ago

A 50.6 grams sample of magnesium hydroxide (Mg(OH)2) is reacted with 45.0 grams of hydrochloric acid (HCl). What is the theoreti

zysi [14]

Mg(OH)2(s) + 2HCl(aq) yield MgCl2(aq) + 2H2O(l)

grams HCl required = (50.6 grams Mg(OH)2) * (1 mol Mg(OH)2 / 58.3197 grams Mg(OH)2) * (2 mol HCl / 1 mol Mg(OH)2) * (36.453 grams HCl / 1 mol HCl) = 63.26 grams HCl required

Since there are only 45.0 grams HCl, then HCl is the limiting reactant.

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7 0

3 years ago

Read 2 more answers

Which acide will have more strength out of two acids of pH value 2 and 5 why

gladu [14]

Ph 2 will ahve more strength due to the fact that its more acidic compared to pH 5.

the lower the number of a pH, the more it is heading towards being acidic, but the higher the number, the more it heads towards being an alkali. here is a ppt i made along time ago. hope it can help you . have a nice day

Download pptx

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2 years ago

Answer truthfully:))

Elina [12.6K]

Answer:

Formula: $Velocity \: V = f \lambda \\ Solution: = 5 \times 0.8 \\ = 4 \: {ms}^{ - 1}$