Section A: Answer ALL questions in this Section. Write your answers in the spaces provided. 1.
(a)
An experiment was carried out in the laboratory during a Chemistry lesson. A
drop of bromine was added to gas jar A. Immediately, another gas jar B was
placed above it as shown in the diagram below.
Comment on:
The concentration of bromine in gas jar A and gas jar B at the start of the
experiment.

What is the main purpose of patent attorneys? defend the company against legal claims manage financial investments invent new products protect rights to new products and processes

Plzz a sample of table sugar (sucrose, c12h22o11) has a mass of 7.801 g. ● a) calculate the number of moles of c12h22o11 in the sample b) calculate the number of moles of each element in c12h22o11 (number of moles of c, number of moles of h & number of moles of o) in the sample. (use your answer from part a as your starting point.) show your work and highlight your final answer. calculate the number of atoms of each element in c12h22o11 (number of atoms of c, number of atoms of h & number of atoms of o) in the sample. (use your answers from part b as your starting for each element.) show your work and highlight your final answer.

Is 343 in the sequence -5, -2, 1, 4, 7