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geniusboy [140]
3 years ago
10

Which of the following is NOT an example of covalent bonding? * 2 points H20 NaF NH3 O2

Chemistry
1 answer:
Pachacha [2.7K]3 years ago
4 0

Answer:

I THINK NH3

Explanation:

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In the balanced chemical reaction for the combustion of acetylene (used in welding torches), determine at standard temperature a
Tpy6a [65]

Answer:

8L of CO2

Explanation:

The equation for the reaction is given below:

2C2H2 + 5O2 —> 4CO2 + 2H2O

From the equation above,

5L of O2 produced 4L of CO2.

Therefore, 10L of O2 will produce = (10 x 4)/5 = 8L of CO2

Therefore, 8L of CO2 is produce

8 0
3 years ago
What does the cardiovascular system do<br> for the human body?
SashulF [63]

Answer: The blood circulatory system (cardiovascular system) delivers nutrients and oxygen to all cells in the body.

Explanation:

5 0
3 years ago
Living things respire to stay alive. In the mitochondria, sugar is combined with oxygen to produce energy, water and carbon diox
olya-2409 [2.1K]

Answer:

C6H12O6 + 6O2 → 6CO2 + 6H2O

Explanation:

Cellular respiration occurs in the mitochondria of cells. It is a process in which  sugar is combined with oxygen to produce energy, water and carbon dioxide. This is the major process by which energy is released in living organisms.

Aerobic respiration involves a series of chemical reactions.  These reactions commence with sugar and oxygen then it produces  carbon dioxide and water according to the reaction equation; C6H12O6 + 6O2 → 6CO2 + 6H2O.

8 0
3 years ago
Read 2 more answers
Rb2co3(aq)+fec2h302(aq)--&gt;
nata0808 [166]

Answer:

Rb2CO3(aq)+Fe(C2H3O2)2(aq)--> 2Rb(C2H3O2)(aq) + FeCO3(s)

Explanation:

The reaction shown in the answer is the reaction of rubidium carbonate and iron II acetate. Rubidium is far more reducing than Fe II hence it can displace Fe II from its salt as shown.

The reducing property of metals depends on the value of their individual electrode potential values. For rubidium, its standard reduction potential is -2.98 V while that of Fe II is -0.44V. Hence rubidium can displace Fe II from its salt as shown above.

4 0
3 years ago
What is the mass of 0.60 moles of Al?
nikitadnepr [17]

It helps to map out how you will navigate through your unit analysis problem before setting it up.  

You are given moles and need grams.  What can be used as a conversion factor from moles to grams?  Molar mass.  We are working with aluminum, so we will need the molar mass of aluminum.  My Periodic Table tells me the molar mass of aluminum is approximately 27 g/mol.  Now we are ready to set up the unit analysis.

0.60molAl(\frac{27gAl}{1molAl} )=16.2 gAl

Moles must go on the bottom so that they cancel.  Notice how our number of significant figures is 2, so the answer must round to 16 g Al.

<h3>Answer:</h3>

16 grams

5 0
3 years ago
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