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Julli [10]
3 years ago
6

The mass of a substance per unit volume

Chemistry
1 answer:
Wittaler [7]3 years ago
5 0
The mass of a substance per unit volume is the substance's density.

D = m/v.
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Using your understanding of environmental science, make a hypothesis about how these six vehicles compare with regard to total l
gtnhenbr [62]

Answer:

Answer is option (d) (lowest to highest)

We have to rank the six vehicles according to the CO2 emission causing an impact on global warming. We know that burning of coal has the highest emission of all fossil fuel so EV powered by electricity from it will be the highest impact on global warming with highest CO2 emission, next is burning of gasoline, but the CO2 emission can be varied by the process of the burning in engines obviously a high-efficiency burning will have less impact than a regular standard engine. So, after ICEV standard will have high CO2 emission than the ICEV (high efficiency), now the next will be EV which is having its electricity supplied by a mix of resources, the production involves both fossil and non-fossil fuel which make this vehicle more environmentally friendly than the full fossil fuel-based. The ICEV with less driving has the second least emission because you are not burning the fuel like other vehicles because of not driving the vehicle. In the last will be the EV having powered by electricity of wind it will be the least emission almost zero because it using wind power to generate electricity. Hence arrangement comes like this, EV(wind), ICEV(less driving), EV (mix of sources), ICEV (high-efficiency), standard ICEV, EV (coal) from lowest to highest CO2 emission.

5 0
3 years ago
If more powdered Kool-Aid is added to the same amount of water, what happens to the solution?
Furkat [3]

Answer:

The Kool-Aid mix by itself is a solid, made up of sugar, flavorings, and dyes to color it. When you add it to the water, this powdered mix seems to disappear.  If we kept adding Kool-Aid mix to the solution, the water would keep dissolving the mix until it became saturated, or until it couldn't dissolve any more mix.

Explanation:

3 0
3 years ago
How does the amount of water in a glass affect the pitch of the sound it produces?
Mrac [35]

Answer:

The glasses with different amounts of water make different sounds. ... This is because the empty glass only has air around it, so the glass vibrates quickly when it is hit, causing the high pitch sound. The glass full of water causes the glass to vibrate slower, and the sound you hear is at a lower pitch.

Explanation:

7 0
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A positron is emitted when ____________. *
Darina [25.2K]
The correct answer is:
a positron is emitted when proton converts to a neutron.

The reaction can be described as following:
₁¹p (proton) → ₀¹n (neutron) + ₁°e (positron or ₁⁰β)
Positron is an antiparticle of a β particle (₋₁°β), which means it has an oposite charge to it, but same mass.

7 0
3 years ago
HELP PLSSS ASAP!! IF ANYONE KNOWS
torisob [31]

Answer:

D

Explanation:

because reduction is gain of electron so Cl- gained one electron hope this make sense :)

3 0
3 years ago
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