Inorganic Chemistry Answers

What makes the compound carcinogenic? Hint: consider amine nitrogen of guanine and disruption in the guanine DNA double helix structure. [4 marks]

Naturally occurring cobalt consists of only one isotope 59Co, whose relative atomic mass is 58.9332. A synthetic radioactive isotope of cobalt 60 Co has relative atomic mass 59.9338, is used in radiation therapy for cancer. A 1.8536g sample of cobalt has an apparent "atomic mass" of 58.9901. Find the mass of 60 Co is this sample?

What principles or rules are violated in the following electronic configuration \\(1s^{2}2p_{x}^{2}\\)?

QUESTION (1).What allows dial up into the Internet at speeds ranging from 64 to 128 kbps?

QUESTION (2) DSL service is delivered simultaneously with regular?

QUESTION (3). The Internet is also referred to as the_____________ in simplest terms

QUESTION (4). DSL provides a _____________connection to ISP.

QUESTION (5). The method of exchanging digital messages from an author to one or more recipients is refered to as?
QUESTION (6). The Acronym PDAs means

QUESTION (70. Intranet that is partially accessible to authorized outsiders is referred to as?

QUESTION (8). Which of the following TCP/IP protocol is used for transferring electronic mail messages from one machine to another?

QUESTION (9). Most Web pages are prepared using Markup languages such as?

QUESTION (10). The form of internet access that uses the facilities of the Public Switched Telephone Network (PSTN) to establish a dialed connection to an Internet Service provider

The electron affinity decreases down the group why?

20cm3 of a gaseous Hydrocarbon were mixed with 90cm3 of O2, and the mixture exploded. At room tempt 60cm3 of gas were left. 40cm3 of the gas(CO2) were adsorbed by NaOH, leaving 20cm3 of O2. Find the empirical formula of the hydrocarbon

Balance and classify the following reaction
Ba(OH)2(aq) + H2SO4(aq) →BaSO4 (s) +H2O(l)

Balance and classify the following reaction
SO3(g) →O2(g) + SO2(g)

Balance and classify the following reaction
Cl2(aq) + KBr(aq) → Br2(aq) + KCl(aq)

Balance and classify the following reaction
AgNO3(aq) + NaBr(aq) → AgBr(s) + NaNO3(aq)