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Stolb23 [73]
3 years ago
15

Examine MSDS for hydrogen peroxide 3% and hydrogen peroxide 30% from the same manufacturer. Compare the information contained in

each MSDS, and explain why multiple MSDSs for the same chemical can be important. Click on each of the links to examine two MSDS reports from different sources.
Chemistry
1 answer:
Natasha2012 [34]3 years ago
4 0

Answer:

sample response:

The chemical is the same but the concentration is different.

The chemical is more dangerous in its highly concentrated form.

Although the chemicals are the same, they require different handling procedures. Therefore specific information should be available for each.

Explanation:

:) Edge 2020

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Complete the pie chart formula.<br><br> (Category/ ) × 360° = Portion of graph.
iVinArrow [24]

Answer:

A toy car has a 1.5-A current, and its resistance is 2 . How much voltage does the car require?

 V

Explanation:

4 0
3 years ago
A gas has a volume of 490. mL at a temperature of -35.0 degrees C. What volume would the gas occupy at 42.0 degrees Celsius? Ple
miskamm [114]

Answer:

648.5 mL

Explanation:

Here we will assume that the pressure of the gas is constant, since it is not given or specified.

Therefore, we can use Charle's law, which states that:

"For an ideal gas kept at constant pressure, the volume of the gas is proportional to its absolute temperature"

Mathematically:

\frac{V}{T}=const.

where

V is the volume of the gas

T is its absolute temperature

The equation can be rewritten as

\frac{V_1}{T_1}=\frac{V_2}{T_2}

where in this problem we have:

V_1=490 mL is the initial volume of the gas

T_1=-35.0^{\circ} + 273 = 238 K is the initial temperature

T_2=42.0^{\circ}+273=315 K is the final temperature

Solving for V2, we find the final volume of the gas:

V_2=\frac{V_1 T_2}{T_1}=\frac{(490)(315)}{238}=648.5 mL

8 0
4 years ago
Solids and liquids have both mass and volume, but a gas has only mass.<br> a. True<br> b. False
tino4ka555 [31]
True. A gas does not have a definite volume. Therefore, making this statement correct. <span />
6 0
3 years ago
Calculate the amount of heat needed to boil 64.7 g of benzene (C6H6), beginning from a temperature of 41.9 C . Round your answer
JulsSmile [24]

Answer: The amount of heat needed is = 4.3kJ

Explanation:

Amount of heat H = M × C × ΔT

M= mass of benzene = 64.7g

C= specific heat capacity = 1.74J/gK

ΔT = T2-T1

Where T1 is initai temperature = 41.9C

T2 is the final temperature( boiling point of benzene) = 80.1C

H= 64.7×1.74×80.7

H= 4300J

H=4.3kJ

Therefore, the amount of heat needed is 4.3kJ

8 0
3 years ago
What is the method of cooking that is not easily digested​
Ivan

Answer:

deep frying,pan frying,smoking,grilling,and microwaving are some method of cooking that is not easily digested

<em>I </em><em>HOPE </em><em>THIS </em><em>WILL</em><em> HELP</em><em> </em><em>U</em>

7 0
3 years ago
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