Chemistry, 04.02.2021 22:40 snikergrace
Matching (8 marks) Select the letter of a single description that best fits the
function of each of the
following organelles in the cell. Not all the descriptions will be used.
1. Nucleus
2. Vacuole
3. Golgi Apparatus
4. Endoplasmic Reticulum
5. Ribosome
A. Contains the genetic information of the
cell
B. Used for storage of water, food and
waste in the cell
C. Controls the functions of the cell
D. Support and Protection for the plant cell
E. Produces chemical energy for the plant
cell
F. Produces proteins for the cell
G. Controls the materials coming in and
out of the cell
H. Fluid inside the cell that organelles and
materials float around in
1. Transports and stores materials in the
cell and connects some organelles
together
J. Used for storage, protein packing and
shipping
K. Produce chemical energy for animal and
plant cells
6. Mitochondria
7. Chloroplast
8. Cell Membrane
Answers: 2
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There are 6.022 x 10^23 atoms of hg in 1 mole of hg. the number of atoms in 4.5 moles of hg can be found by multiplying 4.5 by 6.022 x 10^23 a. 2.7 x 10^24 b. 27 x 10^23 c. 2.71 x10^24 d. 27.099 x 10^23
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Calculate - analysis of compound composed of iron and oxygen yields 174.86 of fe and 75.14g of o. what is the empirical formula for this compound?
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For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate
Answers: 3
Matching (8 marks) Select the letter of a single description that best fits the
function of each of...
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