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AysviL [449]
3 years ago
9

You should set out support, like a cork ring or clamp, before removing the glassware from a glassware kit to place the glassware

in and to stop it from _________. Thoroughly check that the glasswar is________ and that it does not have any _______before using it.
Chemistry
1 answer:
coldgirl [10]3 years ago
5 0

Answer:

(A) Slipping and breaking

(B) Clean and dry

(C) Cracks

Explanation:

This describes the process of unpacking a glassware for use.

You should set out support like a cork ring or clamp (these are simple machines that'll hold the glassware in place) before removing the glassware from a glassware kit; to place the glassware in and to stop it from <u>slipping and breaking.</u>

Thoroughly check that the glassware is <u>clean and dry</u> and that it does not have any <u>cracks,</u> before using it.

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False

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3 years ago
Make a claim about copper and silver based on their position relative to each other
marishachu [46]
Answer:

If by position, you mean in the Periodic table, and you are looking into the properties of the elements, the answer is "not a whole lot", as these are transition metals.

Explanation:

Unlike the main group elements (columns 1-2 and 13-18) where each column shows a family of elements with a different number of valence electrons, the transition metals differ in the number of d-electrons found in the electron shell that is just below the current valence shell for elements in that row. This causes the transition metals to show only minor variations in properties across a row, and makes attempts at finding similarities between elements in the same column a bit frustrating!

That said, it is true that silver and copper are two of the best metallic conductors of all metals (along with gold), and this can be somewhat attributed to there electron configurations, but you sure aren't looking at something like the halogens here!

7 0
3 years ago
Calcium salts give bone its a. tensile strength. b. torsional strength. c. flexibility. d. compressional strength.
makvit [3.9K]

Answer:

Calcium salts give bone its a. tensile strength. b. torsional strength. c. flexibility. d. compressional strength.

The answer is Option D (Compressional strength)

Explanation:

Calcium is the most abundant mineral in the body, most of the calcium in the body are found in the bones and teeth. Calcium helps the body with not only building strong bones and teeth, but also assisting the body in sending and receiving nerve signals. If blood calcium gets too high or too low, the muscles and nerves will not function.

Bone which serves as a storage area for calcium are mostly made of the protein collagen, forms the skeletal framework of all vertebrates, and it plays a major role in calcium balance in the blood. Bone exhibits four types of cells: osteoblasts, bone lining cells, osteocytes, and osteoclasts. Functions of bone includes structural support of the body, protection of internal organs, attachment of the muscles, production of blood cells.

Calcium salts form crystals that give bones great strength. Bone mineral is formed from carbonated hydroxyapatite. Calcium hydroxyapatite is a naturally occurring mineral form of calcium apatite, it contains magnesium and carbonate and it is identical to the substance in teeth and bones. The collagen fibers give bone its tensile strength, and hydroxyapatite give bone its compressive strength.

7 0
3 years ago
How many moles of carbon would 50.0 g of carbon represent?​
Elodia [21]

Answer:

600 grams

Explanation:

The value of the mole is equal to the number of atoms in exactly 12 grams

12x50=600

3 0
3 years ago
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