Expert Answer:question answer?


Solved by verified expert:the question i put in the files but it’s need to by writing not a typing and so on i got only the files there is a question and u just need to answer

Unformatted Attachment Preview

Don't use plagiarized sources. Get Your Custom Essay on
Expert Answer:question answer?
Just from $10/Page
Order Essay

THQ 2 – Review Test 2
1. Write the molecular, total ionic and net ionic equations for:
AgNO3(aq) + KCl(aq) →
SrBr2 (aq) + K2SO4 (aq) →
Mg(NO3)2 (aq) + Na2CO3 (aq) →
BaBr2(aq) + Na2SO4(aq) →
2. Write the names and formulas for, at least, three strong acids and three strong bases
3. Assign the oxidation number to each element in the following species:
a) NaOH
e) H2SO4
i) NO3b) H2O
f) H2SO3
j) FeO
c) H2O2
g) CH4
k) Fe2O3
d) O2
h) CO2
4. What are the oxidizing and reducing agents in the following redox equations? Assign the
oxidation number to each element, and balance the equations when needed.
a) CH4 + O2 → CO2 + H2O
b) 2As(s) + 3Cl2(g)
+ O2
CO2 + H2O
+ O2
CO2 + H2O
5. A sample of gas occupies 350 mL at 10 ºC and 750 mm Hg pressure. What temperature will
the gas have at the same pressure if its volume increases to 460 mL?
6. How many grams of Oxygen gas (O2) in a 12.0 L container will exert a pressure of 712 mm Hg at
a temperature of 25.0 ºC? R = 0.0821 L.atm /K.mol
7. Calculate the density of ammonia (NH3) at 0º C and 1 atm. V= 1.00 L
8. Calculate the average speed of a neon atom at 29 ºC. R = 8.31 x 103 g.m2/s2.mol.K
9. A student prepares a sample of hydrogen gas by electrolyzing water at 25°C. She collects 112 mL
of H2 at a total pressure of 758 mm Hg. Vapor pressure of water at 25°C = 23.76 mm Hg,
(a) the partial pressure of hydrogen, (b) the number of moles of hydrogen collected
A 2.5 L helium balloon is filled at a florist’s shop. If the temperature inside the shop is 68°F,
what volume will the helium occupy after being left in an automobile at −5°F in the parking lot
for the day?
a. 1.6 L
b. −0.18 L
c. 2.15 L
d. 5.0 L
11. If
a deep-sea diver ascends to the surface (1 atm) from a pressure of 5 atm, the volume of the dissolved gas
bubbles in the diver’s blood will increase by a factor of ____ during the ascent.
a. 1
b. 5
c. 10
d. 15
A piston is holding 125 mL of gases at a temperature of 300 K and a pressure of 2.39 atm. What is the
volume of the gases if the temperature is increased to 500K and the pressure falls to 2.15 atm?
a. 125 mL
b. 139 mL
c. 208 mL
d. 231 mL
If an angioplasty balloon has a volume of 0.85 cm3 and contains an inert gas mixture at 0.95 atm at room
temperature (20°C), what is the resulting pressure of the balloon if the temperature is increased to 37°C and
the volume is reduced to 0.50 cm3?
a. 1.2 atm
b. 1.1 atm
c. 1.7 atm
d. 1.0 atm
14. If a hydrogen atom is excited from n = 1 state to n = 3 state, a) how much energy does this
correspond to? b) Is this an absorption or an emission? c) What is the wavelength of the photon
involved in this process in units of nanometers? What is the frequency of the light involved in this
process in units of s-1?
15.Calculate the energy of one photon of yellow light that has a wavelength of 582nm.
16. Write the noble gas configuration for the following species:
a) C
b) P
c) Na
d) Na+
e) F-
17. Write the complete set of quantum numbers of the last electron for the following elements:
a) He
b) O
c) Cl

Our essay writing service fulfills every request with the highest level of urgency.

Place your order
(550 words)

Approximate price: $22

Calculate the price of your order

550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
Total price:
The price is based on these factors:
Academic level
Number of pages
Basic features
  • Free title page and bibliography
  • Unlimited revisions
  • Plagiarism-free guarantee
  • Money-back guarantee
  • 24/7 support
On-demand options
  • Writer’s samples
  • Part-by-part delivery
  • Overnight delivery
  • Copies of used sources
  • Expert Proofreading
Paper format
  • 275 words per page
  • 12 pt Arial/Times New Roman
  • Double line spacing
  • Any citation style (APA, MLA, Chicago/Turabian, Harvard)

Our guarantees

Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.

Money-back guarantee

You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.

Read more

Zero-plagiarism guarantee

Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.

Read more

Free-revision policy

Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.

Read more

Privacy policy

Your email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.

Read more

Fair-cooperation guarantee

By sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.

Read more

Order your essay today and save 30% with the discount code ESSAYSHELP