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Sonbull [250]
3 years ago
6

1. Ethene, C2H4, burns in oxygen according to the equation. In an experiment, 10cm3 of ethene was burnt in 50cm3 of oxygen.

Chemistry
1 answer:
lukranit [14]3 years ago
6 0

Answer:

3333333333333337ysh

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the energy that is present in the gasoline in your automobile's fuel tank is a. potential energy b. nuclear energy c. kinetic en
Softa [21]
A. potential energy.
It can't be any of the above questions. When the automobile burns gas it converts the potential energy into chemical energy which intern gets converted into mechanical energy and then into kinetic energy.

I would have thought it would be Chemical potential energy, which is referring to the energy between the bonds in the molecule.
Hoped this helped.
6 0
3 years ago
Sodium hydrogen carbonate NaHCO3, also known as sodium bicarbonate or "baking soda", can be used to relieve acid indigestion. Ac
olga2289 [7]

Answer:

1.4952 grams of sodium bicarbonate she  would need to ingest to neutralize this much HCl.

Explanation:

Moles (n)=Molarity(M)\times Volume (L)

Moles of hydrochloric acid = n

Volume of hydrochloric acid solution = 200.0 mL = 0.200 L

Molarity of the hydrochloric acid = 0.089 M

n=0.089 M\times 0.200 L=0.0178 mol of HCL

HCl(aq)+NaHCO_3(aq)\rightarrow NaCl(aq)+H_2O(l)+CO_2(g)

According to reaction, 1 mole of HCl is neutralized by 1 mole of sodium bicarbonate.

Then 0.0178 moles of HCl wil be neutralized by :

\frac{1}{1}\times 0.0178 mol=0.0178 mol of sodium bicarbonate

Mass of 0.0178 moles of sodium bicarbonate:

0.0178 mol × 72 g/mol = 1.4952 g

1.4952 grams of sodium bicarbonate she  would need to ingest to neutralize this much HCl.

8 0
3 years ago
What is the volume of a sample of liquid mercury that has a mass of 76.2g, given that the density of mercury is 13.6g/mL?
nignag [31]
Hey there!

D  = m / V

13.6 = 76.2 / V

V = 76.2 / 13.6

V = 5.602 mL
8 0
4 years ago
How can we show the data that is collected
andreev551 [17]

Answer:

We show the data that is collected by in this way :-

Determine What Information You Want to Collect. The first thing you need to do is choose what details you want to collect. ...

Set a Timeframe for Data Collection. ...

•Determine Your Data Collection Method. ...

Collect the Data.

Analyze the Data and Implement Your Findings

5 0
3 years ago
Read 2 more answers
Citric acid (h3c6h5o7) is a product of the fermentation of sucrose (c12h22o11) in air. determine the mass of citric acid produce
Alex
2.50 x 2/1 = 5 mol of Citric Acid
5 x (3+72+5+112) = 960g of Citric Acid


Answer: 960g of Citric Acid

6 0
4 years ago
Read 2 more answers
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