03/23/21

#### Calculate the normality of the HF solution.

10.0 mL of a HF solution was titrated with a 0.120 N solution of KOH; 29.6 mL of KOH were required to completely neutralize the HF.

03/23/21

#### What is the pH of a 0.05 M solution of NaOH

02/25/21

Determine the freezing point of a solution containing 50.0 g of sucrose dissolved in 750. g water; round to the nearest 0.01°C. (Kf for water is 1.86°C/m, and the molar mass of sucrose is 342.3... more

02/25/21

A chemist needs to prepare 2.50 L of 0.100 M ammonia. How much concentrated (14.8 M) ammonia does he need?

02/25/21

Calculate the molarity of a solution prepared by dissolving 80.0 g hydrogen fluoride in water to make 500.0 mL of solution; the molar mass of HF is 20.01 g/mol

02/15/21

#### Solve for the required line and show your work

If FH = 10, GH = 6, GJ = 15, and JH is an exterior angle bisector, then find FG

02/15/21

#### Solve for the required line and show your work

If XZ = 6, YZ = 12, and XW = 3, then what does XY equal?

02/15/21

#### Solve for the required line and show your work

If DE || AB, CE = 6, BE = 3, and AC = 12, then what does AD equal?

02/03/21

#### Name the proportion transformation used to change each of the following:

2/3 = 8/12 into 5/3 = 20/12 a/b = c/d into a/c = b/d a/b = c/d into b/a = d/c

02/03/21

01/08/21

#### Need help with this Chemistry question! Show your work

Hydrogen and oxygen react with each other according to the equation 2H2(g) + O2(g) —> 2H2O(g) If 5.00 mol of O2 react with an unlimited amount of hydrogen, what amount (in moles) of h2o will be... more

09/30/20

#### Do these sentences are parallelism? If not, what are the correct answers and WHY please?

Not only was she noisy and rude but also rather stupid. The Admiral was told he was either a liar or he was a fool. The car is not only economical but also feels good to drive.

#### Hello. I have an APUSH question:

Could the American people have won their independence without George Washington and the small, professional Continental Army? Why have the myths of the militiamen and the part-time citizen-soldiers... more

12/10/17

#### Show that the quadrilateral with vertices at (0, 0), (a, b), (a+ c, b+ d), and (c, d) is a parallelogram.

I cannot find this answer anywhere. I am in 11th grade Geometry.

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