Question

- 34.76 g of methane reacts in a container with 23.4 g of oxygen
and 12.3 g of carbon dioxide are produced.
**Which reactant is limiting**? What is the**theoretical yield of carbon dioxide**? What is the**percent yield of carbon dioxide?**

CH_{4} + O_{2} ⟶CO_{2} + H_{2}O

- Identify the
**strongest**intermolecular force present in each of the species:

a.) CH_{4}

b.) HF

c.) H

d.) CHCl_{3}

- List
**ALL of**the intermolecular forces present in the following molecules:

a.)
CH_{3}CH_{2}OH

b.)
CCl_{4}

c.)
CHF_{3}

d) HBr

- Given the following substances, list them in order of
**decreasing**boiling point:

NaCl , CH_{3}CH_{2}OH
, Ar , CHCl_{3}

- How many grams of KNO
_{3}are in a 165 g solution containing 15.3% of the solute (KNO_{3})? Show all work.

- What is the mass percent of a solution by dissolving 54.6 g of solid sodium chloride into 85.4 g of water? Show all work.

- (a) Find the molarity for the following solution:
- g of Ca(s) in 104.8 mL of solution.

(b) How many grams of KNO_{3}
is needed to create 0.0258 L of a 2.0 M KNO_{3}
solution?

- (a) If you have 15.0 L of a solution with a concentration of 1.50 M, and you dilute the solution with water and now have 65.0 L of solution, what is the new concentration?

(b) What will the final volume of a solution be if you started with 12.0 L of a 1.50 M NaOH and ended with a 0.311 M NaOH solution?

Answer #1

Ans 2 . Strongest intermolecular force can be seen in between HF molecule which is hydrogen bonding. Due to high electronegativity of flourine hydrogen bonding is possible.

Please like the answer if you find it helpful . I did the best I could.

Calculate the molarity of a solution containing 30.0 g of
ethanol (C2H5OH) in 6.00 L of solution.
What is the molarity of a solution containing 2.00 g of NaOH in
1000 mL of solution?
How many grams of sodium carbonate (Na2CO3) are needed to prepare
2.50 L of a 0.15 M solution?
How many grams of KOH are needed to prepare 100 mL of a 0.50 M
solution?
Lab 9 Worksheet: Concentration of Solutions (Ch4) Name:
How many mL of...

Hydrochloric acid (HCl) reacts with sodium carbonate (Na2C3),
forming sodium chloride (NaCl), water (H2O), and carbon dioxide
(CO2). This equation is balanced as written:
2HCl(aq)+Na2CO3(aq)→2NaCl(aq)+H2O(l)+CO2(g)
Part A: What volume of 1.50 M HCl in liters is needed
to react completely (with nothing left over) with 0.250 L of 0.500
M Na2CO3?
Part B: A 621-mL sample of unknown HCl solution reacts
completely with Na2CO3 to form 15.1 g CO2. What was the
concentration of the HCl solution?
Please show work

1. What is the final concentration when 475 mL of 6.0 M HCl
solution is diluted to a final volume of 1.45 L?
2. A gas has a volume of 675 mL at 308 K and 646 mmHg pressure.
What is the volume (L) of the gas at −95°C and a pressure of 1.06
atm (n is constant)?
3. Find out the number of molecules present in 2.54g of copper
(I) chloride.
4. Determine the limiting reactant for the following...

2.According to the following reaction, how many grams of
dinitrogen monoxide will be formed upon the complete reaction of
28.0 grams of ammonium nitrate?
3.According to the following reaction, how many grams of
hydrobromic acid are needed to form 25.4 grams of bromine
4For the following reaction, 3.96grams of chlorine gas are mixed
with excess bromine . The reaction yields 11.3 grams of bromine
monochloride . bromine ( g ) + chlorine ( g ) bromine monochloride
( g )...

HCL
reacts with NaCO3 forming NaCl waters and carbon dioxide this
equation is balanced as written: 2HCl (aq) + Na2 CO3(aq) right
arrow 2NaCl (aq) +H2O (l) + CO2)g)
1- what volume of 2.50 M HCL in liters is needed to react
completely ( with nothing left over) with 0.750 L of 0.200 M
Na2CO3?
Express your answer usining Three sig figs and indicate the
appropriate units
2- a 531 ml sample of unknown HCL solution reacts completely
with Na2CO3...

Please answer the following questions!
(6pts) Sketch each of the crystal cell types below, and
note how many atoms there are per unit cell.
# atoms/unit cell
Face-centered cubic
______
Simple cubic
______
Body-centered cubic
______
(3pts) If 2.29 grams of formaldehyde, H2CO,
are added to 100.0 g of water, we are told the total volume of the
solution is 102.0...

Hydrazine, N2H4, once used as a rocket propellant, reacts with
oxygen in the following equation. N2H4(g) +O 2(g) →N2(g) + 2 H2O(g)
The reaction, at 50% yield, produces 4.0 moles of N2. What was the
mass of hydrazine used? Assume that O2 is in excess. A) 64 g B)
0.063 g C) 260 g D) 32.0 g 42)
43) Which of the following is the lowest temperature? A) 313 K
B) 37°C C) 54°F D) All of these temperatures are...

1. Given the following reaction
2C2H6(l)
+ 7 O2(g)
®
4CO2(g)
+
6H2O(l)
How many moles of water are produced when 4.5 moles of oxygen
react? (Hint: Use slides
5-8)
2. Given:
I2 + 3
F2
® 2 IF3
How many moles of I2 are needed to form 3 moles of
IF3?
How many moles of F2 are needed to form 10 moles of
IF3?
How many moles of I2 are needed to react with 3.5
moles of
F2? ...

A weighed amount of sodium chloride is completely dissolved in a
measured volume of 4.00 M ammonia solution at ice temperature, and
carbon dioxide is bubbled in. Assume that sodium bicarbonate is
formed until the limiting reagent is entirely used up. The
solubility of sodium bicarbonate in water at ice temperature is
0.75 mol per liter.
Also assume that all the sodium bicarbonate precipitated is
collected and converted quantitatively to sodium carbonate
The mass of sodium chloride in (g) is...

A metal reacts with concentrated hydrochloric acid (12 M HCl) to
give the soluble metal hexachloride based on the following
reaction:
M (s) + 6 HCl (aq) → MCl6 (aq) + 3 H2 (g)
If it takes 23 mL of concentrated hydrochloric acid to fully
dissolve 8.5 g of the metal, what is the identity of the metal?
Give the answer as the chemical symbol:
0.35 L of a P4 solution with a concentration of 0.70 M and 2.5 L...

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