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3 years ago

9

The chemical formula of glucose isC6H12O6. What are the names of the elements glucose, and how many atoms of each element are pr

esent in a glucose molecule?

1 answer:

Vlad [161]3 years ago

6 0

Answer:

A glucose molecule is made up of 6 Carbon atoms, 12 Hydrogen atoms, and 6 Oxygen atoms. This is a 1:2:1 ratio. Hopefully, this helps!

Explanation:

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Which two factors affect the amount of thermal energy an object has?

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Answer:

Explanation:

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3 years ago

Which tool can be used to measure the volume of a liquid to one decimal place?

pentagon [3]

The tool to measure the liquid is a measuring cylinder.

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3 years ago

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Step 1: H2(g) + → ICI(9) HI(g) + HCl(g) (slow)

sineoko [7]

Answer:

B

Explanation:

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3 years ago

Radioactive decay can be described by the following equation where is the original amount of the substance, is the amount of the

soldi70 [24.7K]

Answer:

Iron remains = 17.49 mg

Explanation:

Half life of iron -55 = 2.737 years (Source)

$t_{1/2}=\frac {ln\ 2}{k}$

Where, k is rate constant

So,

$k=\frac {ln\ 2}{t_{1/2}}$

$k=\frac {ln\ 2}{2.737}\ year^{-1}$

The rate constant, k = 0.2533 year⁻¹

Time = 2.41 years

$[A_0]$ = 32.2 mg

Using integrated rate law for first order kinetics as:

$[A_t]=[A_0]e^{-kt}$

Where,

$[A_t]$ is the concentration at time t

$[A_0]$ is the initial concentration

So,

$[A_t]=32.2\times e^{-0.2533\times 2.41}\ mg$

$[A_t]=32.2\times e^{-0.610453}\ mg$

$[A_t]=17.49\ mg$

<u>Iron remains = 17.49 mg</u>

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3 years ago

4 NH3 + 6 NO → 5 N2 + 6 H2O How many moles of NH3 are necessary to produce 0.824 mol N2?

GrogVix [38]

4 mol NH₃ → 5 mol N₂
x mol NH₃ → 0.824 mol N₂

x=0.824*4/5=0.6592 mol

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4 years ago