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
VLD [36.1K]
3 years ago
6

The formula for cocaine is C17H21N04. What is the percentage of carbon in the

Chemistry
2 answers:
Alekssandra [29.7K]3 years ago
7 0

Answer:

d

Explanation:

Approx. 70%

Explanation:

%Carbon

 

=

 

Mass of carbon

Mass of molecule

 

×

100

%

=

 

17

×

12.011

⋅

g

⋅

m

o

l

−

1

303.39

⋅

g

⋅

m

o

l

−

1

 

×

100

%

 

=

 

?

?

%

PolarNik [594]3 years ago
6 0
The correct answer is d
You might be interested in
Arrange the following group of atoms in order of increasing atomic size:B,Al,Ga​
allochka39001 [22]

Answer:

Al,Ga,B

Explanation:

Now since i helped you can you help me with this plz

Matteo took 5 math quizzes. The mean of the 5 quizzes was 8.2. Here are four of his quiz scores 7, 7, 8, 10. What is the 5th quiz score? Show work.

6 0
3 years ago
Read 2 more answers
How many calories of heat are necessary to raise the temperature of 319.5 g of water from 35.7 °C
rjkz [21]

20600Cal              

Explanation:

Given parameters:

Mass of water = 319.5g

Initial temperature = 35.7°C

Final temperature = 100°C

Unknown:

Calories needed to heat the water = ?

Solution:

The calories is the amount of heat added to the water. This can be determined using;

     H  =   m  c Ф

c  = specific heat capacity of water = 4.186J/g°C

   H is the amount of heat

    Ф is the change in temperature

    H = m c (Ф₂ - Ф₁)

    H = 319.5 x 4.186 x (100 - 35.7) = 85996.56J

Now;

     1kilocalorie = 4184J

     

85996.56J to kCal; \frac{85996.56}{4184}   = 20.6kCal  = 20600Cal

               

learn more:

Specific heat brainly.com/question/3032746

#learnwithBrainly

6 0
3 years ago
Do metals gain or lose electrons as they form ions
Anna71 [15]

Answer:

They usually lose electrons to form ions with 2 positive charges

Explanation:

6 0
3 years ago
Read 2 more answers
What is the significance sodium hydroxide and hydrochloric acid
hammer [34]

Answer:

They are a base and an acid,  so they neutralize each other.

Explanation:

Sodium hydroxide is a strong base. Hydrochloric acid is a strong acid.

They react with (neutralize) each other to form a salt (sodium chloride) and water.

NaOH + HCl ⟶ NaCl + H₂O

5 0
3 years ago
Can Intrusive and Extrusive Igneous rocks form from the same mineral composition?
Annette [7]
No I can’t
EXAMPLE took the test k12
3 0
3 years ago
Other questions:
  • Aqueous hydrochloric acid reacts with solid sodium hydroxide to produce aqueous sodium chloride and liquid water . If of sodium
    14·1 answer
  • The proton,neutron and electrons in the atom of the element represented by the symbol 231Y89 are:
    14·1 answer
  • What are the three particles of an atom
    7·2 answers
  • As you travel from a solid to a gas, energy is being absorbed or given off?
    15·1 answer
  • Gastric juices have a pH of 1 or 2. This would indicate which of the following?
    14·1 answer
  • Which of the following methods estimates geologic events by comparing the objects to the layer of Earth they were discovered in?
    6·2 answers
  • Which statements best describe displacement? Check all that apply. Displacement is measured along the path an object travels. Di
    12·2 answers
  • who arranged the elements according to atomic mass and used the arrangement to predict the properties of missing elements?
    9·2 answers
  • A breakfast of cereal, orange juice, and milk might contain 230 nutritional Calories. How much is this in Joules?
    15·1 answer
  • Write the balanced equation fr this chemical reaction _Mg + _O2 -> _MgO​
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!