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
Zanzabum
3 years ago
15

Student perfotms a Benedict's test on an unknown substance. He adds reagent(the chemical required to make a color change), and n

othing happens. What can you conclude?
Chemistry
1 answer:
elixir [45]3 years ago
7 0

Answer:

Reducing sugars are absent

Explanation:

Benedict's solution is an substance used in testing sugars. It is mixture of sodium carbonate, sodium citrate and copper(II) sulfate pentahydrate. It can be used instead of Fehling's solution in testing for the presence of reducing sugars.

Reducing sugars contain the -CHO group. If there is no colour change after the addition of Benedict's solution, then we can conclude that reducing sugars are absent.

You might be interested in
A gas occupies a 1.5 l container at 25 degrees
musickatia [10]
The answer is:

683.8 cm^3
7 0
3 years ago
Jerod used a golf club to hit a ball what was the action and reaction
Triss [41]
The action was him hitting the ball the reaction was the ball moving after being hit
6 0
3 years ago
Read 2 more answers
Determine the maximum number of electrons in the 2f designation
sergejj [24]
Google said

How many electrons fit in each shell around an atom?

The maximum number of electrons that can occupy a specific energy level can be found using the following formula:

Electron Capacity = 2n2

The variable n represents the Principal Quantum Number, the number of the energy level in question.

Energy Level
(Principal Quantum Number) Shell Letter Electron Capacity
1 K 2
2 L 8
3 M 18
4 N 32
5 O 50
6 P 72
Keep in mind that an energy level need not be completely filled before electrons begin to fill the next level. You should always use the Periodic Table of Elements to check an element's electron configuration table if you need to know exactly how many electrons are in each level.
4 0
3 years ago
A runner completes a 5-mile run.how many yards did she run
slega [8]

The runner ran a total of 8800 yards.

5 0
3 years ago
How is the concept of heat related to the kinetic molecular theory and the law of conservation of energy?
Slav-nsk [51]
The first law states that the total increase in the energy of a system is equal to the increase in thermal energy, meaning that heat is a form of energy and is therefore subject to the the principle of conservation
7 0
3 years ago
Other questions:
  • What is the deadliest element in the world?
    11·1 answer
  • The phase of matter can be changed by:
    10·2 answers
  • A concrete pile from a waterfront pier was pulled from the harbor water at port hueneme california. It's dimensions we're 14in x
    8·1 answer
  • The enthalpy of reaction for the decomposition of ammonium nitrate, NH4NO3 is -77.4 kJ mol^-1. Calculate the heat evolved when 7
    12·1 answer
  • 2. How far can you push a sled if you exert a force of 7 N in the same direction and the amount of work you did was 56 J?
    11·1 answer
  • What were the characteristics of global independence<br>movements after WWII?​
    11·1 answer
  • The primary gas in a volcano is: water vapor carbon dioxide sulfur dioxide nitrogen
    5·2 answers
  • What is the molarity of a solution of KNO3 (molecular mass = 101) that contains 404 grams of KNO3 in 2.00 liters of solution? A.
    8·1 answer
  • Consumers _____.
    7·2 answers
  • How many moles of barium(Ba) do we have if we have 1,000g?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!