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Shalnov [3]
3 years ago
5

1,000 millimeters is the same as _____

Chemistry
2 answers:
Aleksandr [31]3 years ago
6 0

Answer:

1 meter

Explanation:

Scorpion4ik [409]3 years ago
6 0
1 meter
Every 1,000 millimeter is 1 meter
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Idenatify the pair in which the formula does not match the name
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4 years ago
Calculate the molarity of 139 grams of sucrose, C12H22O11, in 2.60 liters of solution.
Allisa [31]

Answer:

to calculate the molarity of the said sucrose,

firstly calculate the moles

which is = Molecular weight of C12H22O11 = 342g/mol

then

moles = 139/342

= 0.41 moles

to calculate Molarity now

Molarity= moles of the solute/volume of solution in liter

=0.41/2.60

=0.158M

Explanation:

4 0
3 years ago
A metal used in hot water systems​
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I think this would be iron

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5 0
2 years ago
Suppose that 10.0 L of Carbon Dioxide gas are produced by this reaction, 4C3H5N3O9 -> 12 CO2 + 10H2O + 6N2 +O2, at a temperat
siniylev [52]

The mass of nitroglycerin : 34.52 g

<h3>Further explanation</h3>

Reaction

4C₃H₅N₃O₉ ⇒ 12 CO₂ + 10H₂O + 6N₂ +O₂

Volume = 10 L

Temperature = -5°C=268 °K

Pressure = 1 atm

mol of CO₂ (ideal gas) :

\tt n=\dfrac{PV}{RT}\\\\n=\dfrac{1\times 10}{0.082\times 268}\\\\n=0.455

mol ratio C₃H₅N₃O₉ : mol CO₂= 4 : 12, so mol C₃H₅N₃O₉ :

\tt \dfrac{4}{12}\times 0.455=0.152

mass C₃H₅N₃O₉ (MW=227,0865 g/mol):

\tt 0.152\times 227.0865=\boxed{\bold{34.52~g}}

4 0
3 years ago
A chemical reaction that is first-order in X is observed to have a rate constant of 1.50 × 10–2 s–1. If the initial concentratio
elena-s [515]

Answer:

0.053 M is the concentration of X after 196 seconds.

Explanation:

Initial concentration of the X = [A_o]=1.0 M

Time taken by the sample, t = 196 s

Final concentration of the X after t = [A] =?

Rate constant of the reaction = k = 1.50\times 10^{-2} s^{-1}

Formula used :

[A]=[A_o]\times e^{-kt}

where,

Now put all the given values in this formula, we get

[A]=[1.0M]\times e^{-1.50\times 10^{-2} s^{-1}\times 196 s}

[A]=0.053 M

0.053 M is the concentration of X after 196 seconds.

3 0
3 years ago
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