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gregori [183]
2 years ago
15

Material safety data sheets are used to give the information about a solvent. The excerpt below is part of an MSDS. Which inform

ation is best covered in this section of the MSDS? fire safety disposal safety chemical use safety glassware safety
Chemistry
2 answers:
Zigmanuir [339]2 years ago
8 0

Answer:

Answer is C

Explanation:

Because in my Quiz is the Answer

Kitty [74]2 years ago
7 0

Answer:

the answer is A

Explanation:

hope this helps

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Which of the following would float in water at 25 ºC?
Sholpan [36]

Answer:

d.A substance with a density of less than 1.00 g/mL.

Explanation:

The density of water, or of any fluid in which you immerse yourself, is directly proportional to the upward force that this fluid will exert on you. That is, the denser the water, the more you can float on it. This is the principle of Archimedes, with his famous Eureka.

In relation to the buoyancy of bodies, it does not depend only on the density of water, or fluid. Buoyancy also depends on the weight / volume of the body being submerged. In this case we are going to focus on the density of water / fluid.

In the case of water in conditions of temperature at 25 ° C the density is usually 1 g / ml so that any object that has a density less than it can float in it.

3 0
3 years ago
What is the melting point of a solution in which 3.5 grams of sodium chloride is added to 230 mL of water?
kirza4 [7]
We are going to use this equation:

ΔT = - i m Kf

when m is the molality of a solution 

i = 2

and ΔT is the change in melting point = T2- 0 °C

and Kf is cryoscopic constant = 1.86C/m

now we need to calculate the molality so we have to get the moles of NaCl first:

moles of NaCl = mass / molar mass

                         = 3.5 g / 58.44 

                         = 0.0599 moles


when the density of water = 1 g / mL and the volume =230 L

∴ the mass of water = 1 g * 230 mL = 230 g = 0.23Kg 

now we can get the molality = moles NaCl / Kg water

                                                =0.0599moles/0.23Kg

                                                = 0.26 m

∴T2-0 =  - 2 * 0.26 *1.86

∴T2 = -0.967 °C
8 0
3 years ago
Read 2 more answers
Which is larger CA or CA2+ and why?
Vika [28.1K]
Ca because it has a larger atomic radius.
3 0
3 years ago
Which of these is a characteristic of chemical change?
Bond [772]
The correct answer is c, it’s evaporating there for it’s a chemical change
8 0
2 years ago
10 Points
slamgirl [31]

Answer:

D

Explanation:

The indivisibility of an atom was proved wrong an atom can be further subdivided into protons, neutrons and electrons. However an atom is the smallest particle that takes part in chemical reactions......

hope i helped

pls mark brainliest,,,,,thanks

5 0
2 years ago
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