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charle [14.2K]
2 years ago
5

PLEASE HURRY ASAP WILL GIVE BRAINLIEST

Chemistry
1 answer:
goldfiish [28.3K]2 years ago
6 0

Answer:ype your answer here: Conclusions What conclusions can you draw about the identity of the unknowns? Write an evidence-based claim. Type your answer here: Evaluate the

Explanation:

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Which of the following would DECREASE the rate of a reaction?
tia_tia [17]

Answer: increasing volume

Explanation: adding a catalyst would increase reaction time and increasing  INCREASING concentration definently makes reaction time alot faster increasing pressure actually makes it more concentrated, so no it is not

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4. a type of civil engineering concerned with moving people and goods​
makvit [3.9K]
Transportation seems like the right answer
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Balance the chemical equation. Based on the equation, how many grams of chlorine are produced when the sodium chloride decompose
aliina [53]

Answer:

Answer is in the photo

Explanation:

Have a nice day and if the photo isn’t visible let me know! :)

5 0
2 years ago
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Determine the distance of closest approach (in fm) before the alpha particle reverses direction. Assume the lead nucleus remains
kiruha [24]

Answer:

Take E(alpha particle energy) = 5.5 MeV (5.5x106x1.6x10-19)

If the charge on the lead nucleus is +82e(atomic number of lead is 82) = +82x1.6x10-19 C and the charge on the alpha particle is +2e = 2x1.6x10-19 C

Using dc = (1/4πεo)qQ/Eα we have

dc = [9x10^9x(2x1.6x10-19x82x1.6x10-19)]/5.5x10-13 = 6.67x10^-13m. = 6.67 x 10^-13 x 10^15 = 6.67 x 10^2fm

Note: 1meter = 10^15fentometer

Explanation:

This is well inside the atom but some eight nuclear diameters from the centre of the lead nucleus.

7 0
3 years ago
Choose the correct coefficients for the equation? ____NaCI>____Na+___C12​
Wewaii [24]

Explanation:

Ca + NaCl ----> CaCl2 + Na

6 0
2 years ago
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