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serious [3.7K]
3 years ago
13

Definition of diameter?

Chemistry
1 answer:
astra-53 [7]3 years ago
3 0

Answer:

a straight line passing from side to side through the center of a body or figure, especially a circle or sphere.

Explanation:

a straight line passing from side to side through the center of a body or figure, especially a circle or sphere.

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Light travels at a rate of 3.00 x 10^8 m/s. It takes light 8.30 min to travel from the surface of the sun to the earth. What is
bija089 [108]

Answer: The distance of the earth from the sun is 1.494\times 10^{11}m

Explanation:

Speed of light = 3.00\times 10 ^8 m/s

Time taken to travel from sun to earth = 8.30 mins = 8.3\times 60=498sec    (1min=60 s)

As we know ; Speed is defined as the distance travelled per unit time.

Distance=speed\times time

Hence distance between sun and earth =3.00\times 10^8m/s\times 498s=1.494\times 10^{11}m

Thus the distance of the earth from the sun is 1.494\times 10^{11}m

7 0
3 years ago
the following data were collected. time, s [A], M 0 1.00 1 0.430 2 0.270 3 0.200 4 0.160 What is the order of the reaction and t
Tems11 [23]

Answer:

I'll give you the graphs that you need to look at:1st order: the graph you need to make is ln[A] vs t. If you get a straight line, the reaction is 1st order and the slope will equal to the rate constant K.2nd order: the graph you need to make is 1/ln[A] vs t. If this graph shows a straight line, the reaction is 2nd order and the slope will equal the rate constant K.

Explanation:

7 0
3 years ago
Provide background information about different types of chemical reactions.
Zepler [3.9K]

Answer:

.

Explanation:

-Synthesis reactions are reactions that appear when two distinct atoms or molecules engage to structure a specific molecule or compound. Most of the time, when a synthesis response occurs, electricity is launched and the response is exothermic. However, an endothermic consequence is additionally possible.

-A decomposition response starts offevolved from a single substance and produces extra than one substance; that is, it decomposes. One substance as a reactant and greater than one substance as the merchandise is the key attribute of a decomposition reaction. For example, in the decomposition of sodium hydrogen carbonate (also recognized as sodium bicarbonate)

-A single-replacement response (sometimes referred to as a single-displacement reaction) is a chemical response in which one aspect is substituted for every other factor in a compound, producing a new aspect and a new compound as merchandise

-A double-replacement response (sometimes referred to as a double-displacement reaction) takes place when components of two ionic compounds are exchanged, making two new compounds. A attribute of a double-replacement equation is that there are two compounds as reactants and two distinctive compounds as product

-A combustion response happens when a reactant combines with oxygen, many instances from the atmosphere, to produce oxides of all different factors as products; any nitrogen in the reactant is transformed to elemental nitrogen, N2. Many reactants, referred to as fuels, incorporate normally carbon and hydrogen atoms, reacting with oxygen to produce CO2 and H2O

4 0
2 years ago
The naturally occurring isotopes of magnesium are magnesium-24. magnesium-25, and magnesium-26. Magnesium-24 has an abundance of
RoseWind [281]
69.420 would be your answer

5 0
2 years ago
Read 2 more answers
Which of the following pairs of elements is most likely to form an ionic bond? A. nitrogen and oxygen B. aluminum and nitrogen C
krok68 [10]

Answer:

B

Explanation:

When nitrogen and aluminum form an ionic bond, the formula of the ionic compound is AlN. Aluminum forms a cation Al⁺³ and nitrogen forms an anion N⁻³. When each cation of Al⁺³ combines with an anion of N⁻³, AlN or aluminum nitride is formed

\Hope i could help xxxxxxxxxxxxxxxxxxx

6 0
2 years ago
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