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krok68 [10]
3 years ago
11

Which would aid a student in preparedness for a lab?

Chemistry
2 answers:
malfutka [58]3 years ago
7 0
I would say C. Telling the teacher about a chemical spill
mote1985 [20]3 years ago
4 0

Answer: cleaning up after the lab, D.

Explanation:

You might be interested in
- Nitinol is an alloy of *
Aleks04 [339]

Answer:

Nickel and Titanium

Explanation:

Nitinol is an alloy of Nickel and Titanium. It posesses two properties such that,

  • The shape memory effect
  • Super elasticity

Shape memory is the ability of nitinol to undergo deformation at one temperature, stay in its deformed shape when the external force is removed.

Superelasticity is the ability for the metal to undergo large deformations and immediately return to its undeformed shape upon removal of the external load.

Hence, the correct option is (b) "Nickel and Titanium".

7 0
3 years ago
______ molecules have no net electrical charge
Reptile [31]

Answer:

A nonpolar molecule has no separation of charge

Explanation:

4 0
3 years ago
Which physical property of matter do these four objects have in common?
aleksandrvk [35]

Answer:

A- Non-magnetic

Explanation:

Brass, rubber, plastic, and glass will not be attracted by a magnet.

4 0
3 years ago
Which shows the conversion of 8.93 × 10-2 grams to milligrams?
Allushta [10]
The prefix milli means thousand so the correct conversion factor is 1000mg/g
4 0
3 years ago
How many milliliters of sterile water for injection should be added to a vial containing 5 mg/mL of a drug to prepare a solution
jonny [76]

Answer:

7mL of sterile water is the initial amount of the concentrated solution is 3mL

Explanation:

In this problem, the vial must be <em>diluted </em>from 5mg/mL to 1.5mg/mL, that means the solution must be diluted:

5mg/mL / 1.5mg/mL = 3.33 times

If the initial amount of the drug in the vial is 3mL, the final volume must be:

10mL

That means the volume of water that should be added is:

10mL - 3mL:

<h3>7mL of sterile water is the initial amount of the concentrated solution is 3mL</h3>
4 0
3 years ago
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