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Tresset [83]
4 years ago
5

Express In scientific notation. Remember, M must be a number 1 SM <10. 18 =

Chemistry
2 answers:
Nesterboy [21]4 years ago
6 0
Answer: 1.8 x 10^1 or the scientific e notation is: 1.8e1
vladimir1956 [14]4 years ago
6 0

Answer:

Metal

Explanation:

Because it’s metal

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How much energy is released when 0.40 mol C6H6(g) completely reacts with oxygen.
Mashutka [201]
You have to find the gram formula mass of C6H6 then do mass (g) = mol x GFM
5 0
3 years ago
If a car can go from 0 to 60 mi/hr in 8.0 seconds, what would be its final speed after 5.0 seconds if its starting speed were 50
tangare [24]

Answer:

87.5 mi/hr

Explanation:

Because a = Δv / Δt (a = vf - vi/ Δt), we need to find the acceleration first to know the change in velocity so we can determine the final velocity.

vf = 60 mi/hr

vi = 0 mi/hr

Δt = 8 secs

a = vf - vi/ Δt

= 60 mi/hr - 0 mi/hr/ 8 secs

= 60 mi/hr / 8 secs

= 7.5 mi/hr^2

Now that we know the acceleration of the car is 7. 5 mi/hr^2, we can substitute it in the acceleration formula to find the final velocity when the initial velocity is 50 mi/hr after 5 secs.

vi = 50 mi/ hr

Δt = 5 secs

a = 7.5 mi/ hr^2

a = vf - vi/ Δt

7.5 = vf - 50 mi/hr / 5 secs

37.5 = vf - 50

87.5 mi/ hr = vf

7 0
3 years ago
What is neon: metal,non-metal,or metalloid?
iren [92.7K]
Neon is noble gas. It is not a metal, or a metalloid. Neon is a non-metal.
7 0
3 years ago
Write the Keq for the dissolving of salt: NaCl → Na+ + Cl-.
Phantasy [73]
Keq=[Na+][Cl-]/[NaCl]
7 0
3 years ago
Which commercial technology commonly uses plasmas? a radio a race car a television a microwave oven
OleMash [197]

Answer:

a television

Explanation:

A television utilizes plasma in its plasma display screen.

3 0
3 years ago
Read 2 more answers
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