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matrenka [14]
3 years ago
6

I need help with the bottom two pls The first answer I will mark brainliest

Chemistry
1 answer:
Anna11 [10]3 years ago
6 0

Answer:

I dunno,  what is the answer

Explanation:

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Four students all do the same experiment for the science fair. They test reaction times for pushing a button when a specific col
dsp73

The order of the students from the most reliable to the least reliable is C. Student 4, Student 1, Student 2, Student 3.

<h3>what student has the most reliable data?</h3><h3 />

the student with the most reliable data is the one that has the least variation in their data in the various trials.

this student is therefore student 4.

the next student would be student 1 and student 2 would be the third most reliable.

student 3 has large variations in their trials which makes their data the least reliable.

find out more on reliable data at brainly.com/question/8391667.

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7 0
2 years ago
A woman informs her engineer husband that "hot water will freeze faster than cold water." He calls this statement nonsense but h
ankoles [38]

Answer:

Explanation:

It could be as a result of evaporation from the hot water causing it to have less mass than usual. Evaporation will allow the volume of the hot water to decrease and by so doing will cool faster than cold water which is at a higher mass. This is how I will explain my observations to them.

8 0
3 years ago
the hcp ordered 0.2 mg of methylergonovine, and the vial contains 0.8 mg/ml. how many ml of methylergonovine should the nurse dr
iogann1982 [59]

The volume (in mL) of methylergonovine the nurse should draw up in the syringeis is 0.25 mL

<h3>What is density? </h3>

The density of a substance is simply defined as the mass of the subtance per unit volume of the substance. Mathematically, it can be expressed as

Density = mass / volume

With the concept of density, we can obtain the volume of methylergonovine. Details below

<h3>How to determine the volume </h3>

The following data were obtained from the question:

  • Mass = 0.2 mg
  • Density = 0.8 mg/mL
  • Volume =?

Density = mass / volume

Cross multiply

Density × volume = mass

Divide both sides by density

Volume = mass / density

Volume = 0.2 / 0.8

Volume = 0.25 mL

Learn more about density:

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6 0
1 year ago
A little boy is being pushed in a wagon by his mother. Suddenly, the little boy's mother stops to watch for cars before she cros
Free_Kalibri [48]

Answer:

the answer would be C

i took this from a quizlet

hopes this helps<3

3 0
3 years ago
Read 2 more answers
Liquid n-pentane and liquid n-octane are mixed to form a stream flowing at a rate of 1,496.5 lbm/hr. An in-line density measurem
Ivenika [448]

Answer:

202.20 cm^3/s

Explanation:

Hello,

I'm sending a photo showing the solution for this exercise.

The solution of the 2x2 system could be achieved by using a calculator or any  available algebraic method.

Best regards.

4 0
3 years ago
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