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
lesya [120]
3 years ago
8

A fish is swims 7200 meters in the lake in 120 minutes. What is her average speed in m/min?

Chemistry
2 answers:
liberstina [14]3 years ago
7 0

Answer:

60m/min

Explanation:

speed = distance/time

           =7200m/120min

           =60m/min

atroni [7]3 years ago
7 0

Answer:

60

Explanation:

because 7200 divided by 120 is 60

You might be interested in
A 0.75M solution of CH3OH is prepared in 0.500 kg of water. How many moles of CH3OH are needed?
4vir4ik [10]

Answer:

We need 0.375 mol of CH3OH to prepare the solution

Explanation:

For the problem they give us the following data:

Solution concentration 0,75 M

Mass of Solvent is 0,5Kg

knowing that the density of water is 1g / mL,  we find the volume of water:

                           d = \frac{g}{mL} \\\\ V= \frac{g}{d}  = \frac{500g}{1 \frac{g}{mL} } = 500mL = 0,5 L

Now, find moles of CH_{3} OH are needed using the molarity equation:

                           M = \frac{ moles }{ V (L)} \\\\\\molesCH_{3}OH  = M . V(L) = 0,75 M . 0,5 L\\\\molesCH_{3}OH = 0,375 mol

therefore the solution is prepared using 0.5 L of H2O and 0.375 moles of CH3OH,  resulting in a concentration of 0,75M

5 0
3 years ago
What is the degree of sugar dissociation?
dexar [7]

Answer: Na+ (8%)

Explanation:

8 0
3 years ago
The main criterion for sigma bond formation is that the two bonded atoms have valence orbitals with lobes that point directly at
nalin [4]

Answer:

The given statement - The main criterion for sigma bond formation is that the two bonded atoms have valence orbitals with lobes that point directly at each other along the line between the two nuclei , is <u>True.</u>

Explanation:

The above statement is correct , because the sigma bond is produced by the head on overlapping, the orbitals should all point in the same direction.

<u>SIGMA BONDS -</u> Sigma bonds (bonds) are the strongest type of covalent chemical bond in chemistry. They're made up of atomic orbitals that collide head-on. For diatomic molecules, sigma bonding is best characterized using the language and tools of symmetry groups.

Head-on overlapping of atomic orbitals produces sigma bonds. The concept of sigma bonding is expanded to include bonding interactions where a single lobe of one orbital overlaps with a single lobe of another. Propane, for example, is made up of ten sigma bonds, one for each of the two CC bonds and one for each of the eight CH bonds.

Hence , the answer is true .

6 0
3 years ago
What is an indicator that a chemical change has occurred?
Aleks04 [339]

Answer:

That something has changed chemically

Explanation:

Uh...Google it

6 0
3 years ago
Read 2 more answers
It is safe to stand on the top step of a ladder provided it is braced properly. A) True B) False
Roman55 [17]

FALSE You are never allowed to stand on the top of the ladder even if all legs are on the ground

3 0
3 years ago
Other questions:
  • Which reaction illustrates the conservation of matter during a redox reaction
    10·1 answer
  • A(g) + b(g) =&gt; ab(g), the rate is 0.239 mol/l.s when the initial concentrations of both a and b are 2.00 mol/l. if the reacti
    12·1 answer
  • How many atoms are in 45.6 g gold, Au
    15·1 answer
  • Complete the balancing of this equation ; which shows the reaction between iron and carbon :
    13·1 answer
  • Carl walked 12m north then turned around and walked back 4m south. What was his
    8·1 answer
  • ►<br> 17.2H2 + O2 – 2H20<br> How many moles of oxygen are needed if 8 moles H2 are used?
    6·1 answer
  • Help plsssssssssssssssssssssssssssssssssssss
    5·1 answer
  • 1.) The following is a close view of particle movements. Which state of<br> matter are you viewing?"
    11·1 answer
  • Which of the following is the best definition of a physical change?
    13·2 answers
  • Identify the type of plant tissue that brings in gases:
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!