Chemistry

Inter Molecular Forces

100

whats the name of NH₃

Ammonia

200

whats the chemical formula for Nitric Acid

HNO₃

300

whats the name of Ca(OH)₂​​​​

calcium hydroxide

400

whats the chemical formula for hydrobromic acid

HBr

500

Whats the chemical formula for potassium nitrate?

KNO₃

Chemical Equations

100

Calculate Molar mass for 6C+12H+6O

180.156 g/mol

200

products for double displacement reaction of Na₂S+HCl-->

NaCl+H₂S

300

Single displacement product for Zn+HCl-->H₂+ZnCl₂​​​​

Zn+2HCl-->H₂+ZnCl₂

400

What type of reaction is this A+B-->AB

Synthesis reaction

500

Balance H₂+O₂-->H₂O

2H₂+O₂-->2H₂O

Stoichiometry

100

Calculate the limiting reactant for 4Re(s)+7O₂(g)-->2Re₂O₇ 75.0 g of 4Re(s) . 20.0L 7O₂ at STP.

Re= 0.40278 ml

O₂=20.0L/22.44 mol

200

4.53 g SO2 x 1mol SO2/64.06 g SO2 = ? moles

How many G?

Moles= 0.707 mol SO2

G= 45.30

300

Calculate molarity of 60gNaOH x 1/0.25L

6M NaOH

400

Calculate moles of O₂​

4NH₃+3O₂-->2N₂+6H₂O

​​​

8.25mol O₂

500

How many moles of CO₂ are in 69CO₂

69

Acids and Bases

100

Is 7 and acid or a base?

neutral

200

Label the bases and acids

HF+H₂O-->H₃O+F

BLA, BLB, CA, CB

300

PH=-log[H₃O]

calculate the pH

1x10^-14

400

is 5 an acid or base?

Acid

500

Is 8 an acid or base?

Base

Ocean Acidification

100

What pH is neutral?

7

200

What was the original ocean pH level and what did it become?

Started 8.2, became 8.1

300

If 3H₂(g)+1N₂(g)<->2NH₃ then which direction does N₂ go for R and P?

R and down P up

400

What is the equation for pressure if the chemical equation is N₂(g)3H₂(g)<-> 2NH₃(g)

PV=nRT

500

What does a base or acid have to react with to become neutralized?

salt and/or water