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dezoksy [38]
3 years ago
11

What type of heat transfer happens when warm air in

Chemistry
2 answers:
LiRa [457]3 years ago
5 0

Answer:

the answer is radiation

Mademuasel [1]3 years ago
4 0
The answer is 1. Radiation
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Describe the pattern in melting point please!
Degger [83]
It seems to overall decrease.
3 0
2 years ago
A student carries out the same titration but uses an indicator instead of a pH meter. If the indicator changes color slightly pa
creativ13 [48]

Answer:

Too high a value

Explanation:

HA + NaOH ⟶ NaA +H₂O

If the student has gone slightly past the equivalence point, they have added too much base.

The moles of HA are directly proportional to the moles of NaOH, so the moles of acid that the student calculates will be too high.

The calculated concentration of acid will also be too high.

4 0
4 years ago
If mass increases and volume stays the same, then density will _________.
Yanka [14]
As size increases<span> or decreases, </span>DENSITY REMAINS THE SAME<span>! As a rule, things that are MORE dense will sink or fall to the bottom of things that are LESS dense (think of oil and water). ... Notice that </span>if<span> you DECREASE the </span>mass<span> of something or</span>INCREASE<span> the </span>volume<span>, the </span>density<span> will be less…</span>
8 0
3 years ago
Read 2 more answers
Danielle is designing a system to help race cars slow safely and rapidly at her local racetrack. The racetrack is a straight, 1,
xeze [42]

Answer:

The answer is C

Explanation:

She should make the parachutes smaller in order to decrease the drag forces on the car and bring it to a stop 400 meters after crossing the finish line.

3 0
3 years ago
The decay curve shown below approximates the decay of phosphorus-32. what is the approximate half-life of phosphorus-32?
victus00 [196]
The decay curve is a graph showing the relationship of the amount of a substance like Phosphorus-32 with respect to time. Through time, the amount decreases. If the curve was given, you will just have to locate the half of the original amount in the y-axis and connect it to the curve. Then, you move it downwards to the x-axis to determine the time. The time at which the amount of Phosphorus-32 left is reduced to half is called the half-life.

But this have been experimented and there is already an empirical value for this. The half-life of Phosphorus-32 is 14.29 days.
7 0
3 years ago
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