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larisa86 [58]
3 years ago
13

What is the main reason for using a data table to collect data?

Chemistry
1 answer:
Gelneren [198K]3 years ago
5 0

Answer:

c

Explanation:

table of data help us to understand and present our work better

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Omg, I need help ASAP. Btw this is science.
nikdorinn [45]

Answer: B. Asexual Reproduction

Explanation:

Vascular is typically only spores, sexual reproduction does not seem to fit this, and fertilization could be a key but most likely not. I am sorry if this is wrong.

4 0
3 years ago
What volume of Co2 (carbon (iv) oxide)
hram777 [196]

Answer:

2.1056L or 2105.6mL

Explanation:

We'll begin by calculating the number of mole in 10g of Na2CO3. This can be obtained as follow:

Molar mass of Na2CO3 = (23x2) + 12 + (16x3) = 106g/mol

Mass of Na2CO3 = 10g

Mole of Na2CO3 =.?

Mole = mass /molar mass

Mole of Na2CO3 = 10/106

Mole of Na2CO3 = 0.094 mole

Next, we shall determine the number of mole CO2 produced by the reaction of 0.094 mole of Na2CO3. This is illustrated below:

Na2CO3 + 2HCl —> 2NaCl + H2O + CO2

From the balanced equation above,

1 mole of Na2CO3 reacted to produce 1 mole of CO2.

Therefore, 0.094 mole of Na2CO3 will also react to 0.094 mole of CO2.

Next, we shall determine the volume occupied by 0.094 mole of CO2 at STP. This is illustrated below:

1 mole of a gas occupy 22.4L at STP. This implies that 1 mole CO2 occupies 22.4L at STP.

Now, if 1 mole of CO2 occupy 22.4L at STP, then, 0.094 mole of CO2 will occupy = 0.094 x 22.4 = 2.1056L

Therefore, the volume of CO2 produced is 2.1056L or 2105.6mL

7 0
4 years ago
Nitrogen is used to keep food frozen during transportation.
Greeley [361]

Answer:

Gaseous nitrogen has unique chemical and physical properties that make it suitable for use in food processing. Nitrogen is inert which means it will not react with prepared food materials, which can alter their aromas or flavors. Also, gaseous nitrogen will effectively displace oxygen minimizing oxidation and the growth of microorganisms that cause foods to lose their freshness and deteriorate faster.

Explanation:

Source: https://www.generon.com/using-nitrogen-gas-in-food-packaging/

4 0
3 years ago
Considering all types of aerosols, what is their net effect on the climate system:
timurjin [86]
<span> aerosols are </span><span><span>compressed gases and </span>hydrocarbons, such as nitrous oxide, as propellants. the aerosols are green house gases, that contributes to the heating of the surface of the earth. this is why global warming is one of the greatest environmental problem to date </span>

6 0
3 years ago
Read 2 more answers
What is created when two different reactions come together
iragen [17]

Answer:

Reactions occur when two or more molecules interact and the molecules change. Bonds between atoms are broken and created to form new molecules

8 0
3 years ago
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