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3 years ago

What kind of molecule is glucose

Chemistry

1 answer:

Scrat [10]3 years ago

6 0

Organic molecule. In particular, a carbohydrate.

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In Europe gasoline is often sold in liters. If a typical fill-up requires 11 gal of gas, how many liters are necessary?

egoroff_w [7]

Answer:

41,64 liters

Explanation:

In order to change the units we need to know the equivalence of said units.

1 gal of gas equals to 3,78541 liters.

We can use cross-multiplication in order to convert it into liters:

$\frac{1 gal}{3.78541 L} = \frac{11 gal}{X} \\\\X= \frac{3.78541 L x 11 gal}{1 gal}$

A typical fill-up requires 41,64 liters.

3 0

4 years ago

What mineral is most likely used to make the plumbing pipe?

oksano4ka [1.4K]

Copper is the mineral most likely used to make the plumbing pipe.
The other options are unlikely, as copper is the best for these kinds of pipes.

3 0

3 years ago

Erioglucine is a blue-colored dye that absorbs its complementary color, red, in aqueous solution around 645 nm. Unfortunately, t

ExtremeBDS [4]

Answer:

For the control experiment: $0.0552 M$ of aqueous solution of erioglaucine has absorbance of $0.035 M\\$

From Lambert-Beer's law we know:

$Absorbance = e\cdot c \cdot l\\$

Here; e is the molar absorptivity coefficient of erioglaucine

l = length of cuvette in which the solution is taken = $1 cm$

A sorbance by the erioglaucine = total absorbance - absorbance by distilled $water = 0.331-0.019 = 0.312$

So; by putting the values in the above equation; we get:

$0.312 = 0.0552 M \cdot e\cdot~1cm\\$

So; $e = \frac{0.331}{0.0552} M^{-1}cm^{-1}= 5.65 M^{-1}cm^{-1}$

The molar absorptivity coefficient of erioglaucine is $5.65 M^{-1}cm^{-1}\\$

The absorbance of erioglaucine in distilled water (contaminated with metal ions) is: $0 .217$

The absorbance of distilled water is $0.019$

So; absorbance of erioglaucine itself is : $0.217-0.019 = 0.198$

Again using Lambert Beer law; we get:

$A= e\cdot c\cdot l$

$0.198 = 5.65 M^{-1}cm^{-1} \cdot c \cdot 1 cm$ $( c = concentrartion)$

c = 0.198/5.65 M = 0.035 M

The concentration of the erioglaucine is $0.035 M\\$

Explanation:

4 0

4 years ago

The emission of electrons from a metallic surface depends on the intensity of the incident radiation.

elixir [45]

Answer:

I ........believe it's true

7 0

3 years ago

Read 2 more answers

What is the product of magnesium metal + silverchloride ?

katrin2010 [14]

Mg + 2AgCl —> MgCl2 + 2Ag

3 0

3 years ago