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3 years ago

8

Steel is an alloy consisting of Fe with a small amount of C. Elemental Cr can be added to steel to make the steel less likely to

rust
a. True
b. False

1 answer:

Yakvenalex [24]3 years ago

8 0

The statement is true

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A 50.0 mL sample of gas at 20.0 atm of pressure is compressed to 40.0 atm of pressure at constant temperature. What is the new v

Slav-nsk [51]

Answer:

20(50) = 40(V₂)

⇒1000 = 40V₂

⇒V₂ = 1000/40

⇒ V₂ = 25 mL

Explanation:

6 0

2 years ago

How many grams of glucose are needed to prepare 144.3 mL of a 1.4%(m/v) glucose solution?

Montano1993 [528]

Answer:

2.0202 grams

Explanation:

1.4% (m/v) glucose solution means: 1.4g glucose/100mL solution.

so ?g glucose = 144.3 mL soln

Now apply the conversion factor, and you have:

?g glucose = 144.3mL soln x (1.4g glucose/100mL soln).

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3 years ago

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Write the complete balanced equation for the following reaction: S8 + O2 yields SO3

aleksklad [387]

S8 + 12O2 yields 8SO3

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3 years ago

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What is the mass of a 5.00 cm^3 piece of copper having a density of 8.96 g/cm^3

erik [133]

Answer:

44.8 g

Explanation:

Density = mass / Volume

Mass = density x Volume = 8.96x 5 = 44.8 g

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3 years ago

Which of these elements has a smaller atomic #? 1=aluminum 2=beryllium 3=tungsten

enot [183]

2
refer to periodic table for explanation

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3 years ago