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
pentagon [3]
3 years ago
5

The speed of someone running 5 miles in 45 minutes

Chemistry
2 answers:
noname [10]3 years ago
7 0

Answer:

9

Explanation:

makkiz [27]3 years ago
3 0

Answer:

9 is the answer

Explanation:

because u need to divide 45 from 5 which is 9

You might be interested in
Balance the following reaction. A coefficient of \"1\" is understood. Choose option \"blank\" for the correct answer if the coef
g100num [7]
Conservation of mass is the underlying principle of balancing equation. When we balance equation, this means that we acknowledge that before and after the chemical reaction, the elements are conserved. To balance the chemical equation, we add coefficients before each reactant and product. Here are the following answers: 

Reaction 1: 
<span>2Al
3ZnCl2
3Zn
2AlCl3
Reaction 2: 
</span><span>4NH3
3O2
2N2
6H2O</span>
8 0
3 years ago
Which of the following changes has a decrease in entropy?
Ivahew [28]

In order to solve this problem you need to consider the states of matter and the amount of products.

If there are more products than reactants than there is an increase in entropy.

States of matter: increasing the motion of particles increases entropy.

Molecular movement:

Solid<Liquid<Gas

Changing states of matter from left to right would be an increase in entropy.

Changing states of matter from right to left would be a decrease in entropy

The answer is number 3

3 0
3 years ago
Read 2 more answers
What is a molarity a measurement
USPshnik [31]

Answer:

Molarity indicates the number of moles of solute per liter of solution and is one of the most common units used to measure the concentration of a solution.

Explanation:

8 0
4 years ago
Organic acids are called what
nordsb [41]
The most common organic acids are the carboxylic acids
6 0
3 years ago
C4H10+ 02 → _CO2 + __ H20
Svetllana [295]

Answer:a) 2C4H10 + 13O2 —> 8CO2 + 10H2O. Oxidation reaction

b) 8 (4 moles CO2 per mole butane)

Explanation:

could be written C4H10 + 6 1/2 O2 —> 4CO2 + 5H2O

4 0
3 years ago
Other questions:
  • Write each number in standard notation
    11·2 answers
  • To run a thin layer chromatography experiment with a chemical substance, begin by marking a horizontal line near the bottom of a
    8·1 answer
  • A buffer solution is 0.310 M in H2SO3 and 0.304 M in NaHSO3. If Ka1 forH2SO4 is 1.7e-2 , what is the pH of this buffer solution
    14·1 answer
  • I NEED HELP PLZ!!! A very large redwood tree is measured to be about 100 units tall. Which unit is the most appropriate to use?
    15·2 answers
  • Where did the oxygen in the water product come from
    15·1 answer
  • Why does a biker have to peddle harder to travel at a constant speed into the
    7·1 answer
  • Displacement reaction between copper and silver nitrate solution produces silver and copper (II) nitrate solution. Write the che
    8·1 answer
  • What are examples of structures that match each hierarchical level?
    15·2 answers
  • Can someone please please help me?? I will give you BRAINIEST
    10·2 answers
  • Sodium has a density of 0.968 g/cm3 and crystallizes with a body-centered cubic unit cell. Part A Calculate the radius of a sodi
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!