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
joja [24]
3 years ago
8

Mr. Evans rides his bicycle an average speed of 8 km/hr. How far has he

Chemistry
2 answers:
prohojiy [21]3 years ago
7 0

Answer:

\boxed {\boxed {\sf 32 \ kilometers}}

Explanation:

Distance is the product of speed and time.

d=s*t

The speed is 8 kilometers per hour and the time is 4 hours.

s= 8 \ km/hr \\t= 4 \ hr

Substitute the values into the formula and multiply. Note that the hours will cancel when multiplied.

d= 8 \ km/hr * 4 \ hr

d= 32 \ km

Mr. Evans traveled <u>32 kilometers.</u>

Nadusha1986 [10]3 years ago
3 0

Answer:

32 km.

Explanation:

Distance = speed × time

We know that Mr. Evans is riding his bicycle at an average of 8km/hr, or 8 kilometers per hour. He is riding his bike for 4 hours, so we will need to multiply according to the formula.

8 × 4 = 32

The answer to the question is 32 kilometers.

You might be interested in
A(n) _____ may be defined as a compound which contributes hydroxide ions or increases the OH- concentration when dissolved in wa
yulyashka [42]

Answer:I think base

Explanation:

5 0
2 years ago
Read 2 more answers
Enter the appropriate symbol for an isotope of phosphorus-32 corresponding to the isotope notation AZX. Express your answer as a
Lelechka [254]

Answer:

^{32}_{15}P

Explanation:

Atomic number : It is defined as the number of electrons or number of protons present in a neutral atom.

However, when we talk about the atomic number of the ion, it is not equal to the number of electrons as electron can be gained or loosed.

This is why, more appropriately, the number of the protons which are present in the nucleus of the atom is called the atomic number.

Thus, atomic number of phosphorus = 15

Mass number is the number of the entities present in the nucleus which is the equal to the sum of the number of protons and electrons.

Given, Mass number = 32

Thus, the symbol of the isotope is:-

^{32}_{15}P

8 0
3 years ago
In a generator, the current changes direction each time the ____ passes the _____ of a magnet.
lubasha [3.4K]

Answer:1.armature 2.pole

Explanation:

Just did quiz

7 0
3 years ago
Read 2 more answers
How many moles of calcium chloride, cacl2, can be added to 1.5 l of 0.020 m potassium sulfate, k2so4, before a precipitate is ex
Brut [27]
When CaSO4 → Ca2+ + SO4
So when we have Ksp = [Ca2+][SO4]

when Ksp = 4.93 x 10^-5
and [SO4] = 0.02 M 
so by substitution we can get [Ca2+] 
4.93x10^-5 = [Ca2+] [0.02]
∴ [Ca2+] = 0.0025 mol/L

∴ the moles of calcium chloride = 0.0025 mol / L * 1.5 L
                                                      = 0.00167 mol

4 0
4 years ago
A. How the molecules in a solid, liquid and gas compare to each other.
andre [41]
A. The molecules of solids are close together and compact, liquids are spread out but not too far apart, and gas molecules are really far apart.

B. Increase in temperature causes pressure to go up. Decrease in temperature cause pressure to go down
8 0
3 years ago
Other questions:
  • How would you write 16,340 in scientific notation with 2 significant figures
    9·1 answer
  • An udentified substance, Y, was thought to be one of the following three compounds.
    15·1 answer
  • What coefficients would balance the following equation?
    5·2 answers
  • how many moles of silicon are in 245 g of silicon? a. 8.72 mol b. 28.0 mol c. 1.10 10-1 mol d. 6.90 103 mol
    15·1 answer
  • Identify the number of significant figures in each value. 147,320 g
    8·2 answers
  • 23.6 g of calcium chloride (110.98) is dissolved in water in a calorimeter. T rose from 25.0°C to 38.7°C. Heat capacity of solut
    13·1 answer
  • How a metallic bond forms
    5·1 answer
  • How are a magnets magnetic force and magnetic field different?
    11·2 answers
  • Name the following ester molecule:
    9·1 answer
  • A) F-F
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!