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Yuri [45]
2 years ago
14

A lead apron is a ________________ instrument classification of disease transmission. Fill in the blank

Chemistry
1 answer:
pochemuha2 years ago
7 0

Answer:

A lead apron is a <u>non-critical </u> instrument.

Hope it helps!

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The smallest units of matter that normally CANNOT be broken down are atoms. molecules. cells. phospholipids.
olya-2409 [2.1K]

Answer: atoms

Explanation:

All matter is made up of smaller indivisible particles called atoms. These atoms are the smallest units of matter ACCORDING to the Dalton's Atomic theory.

Molecules are combined atoms, while cells and phospholipids are complex combination of atoms.

Therefore, atoms is the answer

4 0
3 years ago
The solubility of potassium sulfate in water is 16 grams per 100
kicyunya [14]

The answer is 25 grams for this question

7 0
2 years ago
A chemistry student weighs out of hypochlorous acid into a volumetric flask and dilutes to the mark with distilled water. He pla
riadik2000 [5.3K]

Answer:

<u><em>Volume of NaOH, aka V2 = 6.32 mL to 3 sig. fig.</em></u>

A chemistry student weighs out 0.0941 g of hypochlorous acid (HClo) into a 250. ml. volumetric flask and dilutes to the mark with distilled water. He plans to titrate the acid with 0.2000 M NaOH solution. Calculate the volume of NaOH solution the student will need to add to reach the equivalence point. Round your answer to 3 significant digits mL.

Explanation:

1 mole HClO = 74.44g

0.0941g = \frac{0.0941}{74.44} = 0.00126 moles

Concentration = no. of moles/volume in L

Hence, Concentration of HClO = 0.00126/ 0.250L

= 0.005M.

C1V1 =C2V2

0.005 × 250 mL = 0.2 × V2

<u><em>Volume of NaOH, aka V2 = 6.32 mL to 3 sig. fig.</em></u>

3 0
2 years ago
0.200 mol of nitric acid reacts with copper (II) oxide. A mass of 15.3g of copper (II) nitrate is produced.
kaheart [24]

Answer:

the percentage yield of Cu(NO3) 2 is 40%

5 0
3 years ago
What is the balanced equation for Al+FeN2&gt;AlN+Fe
STALIN [3.7K]

Answer:2 AL + FEN2 = 2 ALN + FE

Explanation: AL might be an improperly capitalized: Al. One of your compounds is AL (A and L). Did you mean Al (aluminum)?

FEN2 might be an improperly capitalized: FeN2. ALN might be an improperly capitalized: AlN

FE might be an improperly capitalized: Fe

3 0
3 years ago
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