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kati45 [8]
3 years ago
11

What variables affect mass? (include observations)​

Chemistry
1 answer:
Butoxors [25]3 years ago
7 0

Answer:

A dependent variable is what you measure in the experiment and what is affected during the experiment. The dependent variable responds to the independent variable. It is called dependent because it "depends" on the independent variable.

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What is scientific notation?
lora16 [44]

Answer:

C.

Explanation:

Scientific notation is a way of writing small and large numbers. It is a way of expressing a standard form into a scientific form.

8 0
3 years ago
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Can someone help with this please? My teacher isnt responding to any of mine or my classmates requests for help
sergiy2304 [10]

Answer:

CO2 consists of individual molecules with one central carbon atom double bonded to two oxygen atoms. Silicon does not form double bonds with oxygen. CO2 is gas but SiO2 is a solid because SiO2 has a giant molecular structure. CO2 has a simple molecular structure, and because of this, CO2 is gas but SiO2 is solid at room temperature.

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Please leave workings as well
yulyashka [42]

Answer:

15g

Explanation:

The equation for the reaction is given below:

CaO + SO2 —> CaSO3

Molar Mass of CaO = 40 + 16 = 56g/mol

Molar Mass of CaSO3 = 40 + 32 + (16x3) = 40 + 32 + 48 = 120g/mol

From the equation,

56g of CaO produced 120g of CaSO3.

Therefore, 7g of CaO will produce = (7 x 120)/56 = 15g of CaSO3

Therefore, 15g of CaSO3 is produce

5 0
3 years ago
exothermic reaction in which the reaction releases energy as heat. 4. How would the reaction would change if you added 2 g of st
Margaret [11]

Answer:

Explanation:

We know that the composition of Steel includes Carbon and Iron. So, if 2g of steel wool was added to the iron acetate, then the iron acetate is now being reduced. What will happen is that the solution will be triggered as it becomes denser and get highly concentrated. Hence, an increase in concentration leads to a decrease in reaction rates. Thus, a slow reaction will take place, and the reaction rate will decrease.

6 0
3 years ago
What 2 things define the state of matter?
Marrrta [24]

Answer: gas are well separated with no regular arrangement.

               liquid are close together with no regular arrangement.

                solid are tightly packed, usually in a regular pattern.

its just gas liquid and solid pls make me brainliest

Explanation:

4 0
3 years ago
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