1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
GREYUIT [131]
3 years ago
10

Which answer is a scientifically accurate description of velocity?

Chemistry
2 answers:
LekaFEV [45]3 years ago
4 0

Answer: The answer is B I think I'm in the middle of the test.

Explanation:

agasfer [191]3 years ago
3 0

Answer:

B. The motorcyclist traveled southeast along a highway at 55 mph and reached the campsite in less than the two-hour estimated time.

Explanation:

<em>Velocity </em>is the rate at which an object changes position in a specific direction. It has both <em>magnitude and direction.</em>

Travelling <em>southeast</em> at <em>55 mph</em> is a <em>velocity</em>. It gives both speed and direction.

Statements A., B., and C. give the direction but not the speed.

You might be interested in
HELP ASAP PLEASE!!!! 15 PTS!!
Bond [772]
ADD THEM all, and then divide by four. Thats what I would do! 
5 0
3 years ago
Read 2 more answers
Assuming that an acetic acid solution is 12% by mass and that the density of the solution is 1.00 g/mL, what volume of 1 M NaOH
Doss [256]

Explanation:

Let us assume that total mass of the solution is 100 g. And, as it is given that acetic acid solution is 12% by mass which means that mass of acetic acid is 12 g and 88 g is the water.

Now, calculate the number of moles of acetic acid as its molar mass is 60 g/mol.

    No. of moles = \frac{mass}{\text{molar mass}}

                           = \frac{12 g}{60 g/mol}

                           = 0.2 mol

Molarity of acetic acid is calculated as follows.

              Density = \frac{mass}{volume}

                 1 g/ml = \frac{100 g}{volume}

                    volume = 100 ml

Hence, molarity = \frac{\text{no. of moles}}{volume}

                           = \frac{0.2 mol}{0.1 L}

                           = 2 mol/l

As reaction equation for the given reaction is as follows.

     NaOH + CH_{3}COOH \rightarrow CH_{3}COONa + H_{2}O

So,          moles of NaOH = moles of acetic acid

Let us suppose that moles of NaOH are "x".

          x \times 1 M = 10 mL \times 2 M     (as 1 L = 1000 ml)

                        x = 20 L

Thus, we can conclude that volume of NaOH required is 20 ml.                    

6 0
3 years ago
Which colorless and odorless gas, produced by radioactive decay of Uranium-238, is considered to be a cancer-causing agent?
DiKsa [7]
B, radon is correct. Interestingly, it often collects in basements from radioactive decay of rocks such as granite that contain uranium. Because it is an unreactive noble gas and because it is denser than air it sits in basements and must be pumped out. It collects in human lungs and is the second leading cause of lung cancer behind smoking.
7 0
3 years ago
The mass number of an element is equal to ____.
melisa1 [442]
Mass number is the total number of protons and neutrons in the nucleus
4 0
3 years ago
Read 2 more answers
Plz help.chemissttrryy<br><br><br><br>​
Gelneren [198K]
Attached is the answer

3 0
3 years ago
Other questions:
  • I need help with this, please :00000
    6·1 answer
  • What volume and mass of steam at 100 Celsius and 760. torr (or 1 atm) would release the same amount of energy as heat during con
    8·2 answers
  • Where is the Center of the Universe?
    10·2 answers
  • The igneous rock texture that is characterized by two distinctly different crystal sizes is called ____.
    8·2 answers
  • Since the action and reaction are exactly equal and oppositely directed , how can there be a net force on an object ?
    11·1 answer
  • If there are 20.0g of KOH available, how many grams Ca(OH)2 will form?
    13·1 answer
  • Describe the buffer capacity of the acetic acid buffer solution in relation to the addition of both concentrated and dilute acid
    5·1 answer
  • Much of the earth’s heat is retained in the<br> crust.<br> wind.<br> oceans.<br> mountains.
    8·2 answers
  • Which of the following best describe the chronological way of specimen preparation?
    9·2 answers
  • He nitrogen cycle is one of the most important (and complex!) of the biogeochemical cycles. Why is nitrogen important?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!