Other Chemistry Answers

Calculate the mass of the given compounds:

Au2 CrO4



Pb ( C2H3O2)4



Fe 4 ( Fe ( CN )6 ) 3

1. For the following emissions, determine the most appropriate air pollution control device.
a. Emission 1: Particle size 70 to 200 m
Gaseous emission None
Temperature 366 K
Space limitations None
b. Emission 2: Particle size 0.1 to 200 m
Gaseous emission No
Temperature 366 K
Space limitations None
c. Emission 3: Particle size 5 to 40 m
Gaseous emission SO2
Temperature 922 K
Space limitations None
Contaminated water not acceptable
With step, explain it properly step by step

what is bicarbonate

A solution containing 2.00 g of Sr(OH)2 in 250 mL of water was prepared. The PH expected is?

name hydrocarbons
1.CH3CH2CH(CH3)CH2CH(CH2CH3)CH2CH2CH3
2.(CH3)2CHCH2CH2CH(CH2CH3)2
3.(CH2CH)2C(CH3)CH2CH3
4.CH3CH(Br)CH2CH2CH2CH2CH(Cl)2
5.CH3CH2CH2CH(CH=CH2)CH(CH3)CH2CH2CH3
6.CH2=C(CH3)C(CH3)2CH(CH2CH3)CH=CH2

1. In the following equation, label the Bronsted-Lowry acid, base and conjugate pairs. (2 marks)
CH3NH2 (aq) + H2PO4- (aq) ↔ CH3NH3+ (aq) + HPO42- (aq)
2. Complete the following table: (8 marks)
[H+
] pH [OH-
] pOH Acid or Base?
3.47 x 10-12
1.50
1.66 x 10-6
7.41
3. What is the pH of a solution of 0.00200 M HI? (3 marks)
4. What is the Ka for chloroacetic acid (C2H3ClO2) which has a pH of 1.52 in a 0.112 M solution? (4
marks)
5. What is the [H+
] and pH of a 0.400 M solution of hypobromous acid (HBrO)? The Ka for
hypobromous acid is 2.8 x 10-9
. (4 marks)
6. Identify the unknown weak acid that has a pH of 2.75 in a 0.025 M solution. (4 marks)

Explain the use clavulanic acid as antibacterial agent. Mention its advantages and
disadvantages.

what is the the mechanism of action of nalidixic acid.

What are cyclodextrins? Describe the mechanism of action of sugammadex.

Describe the structural features of thienomycin and the mechanism of its action.