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
Nookie1986 [14]
2 years ago
13

If food burns your tongue when you eat it, it because of heat transfer by

Chemistry
1 answer:
Ganezh [65]2 years ago
3 0
Confluence of conduction
You might be interested in
A chemist prepares a solution of mercury(I) chloride Hg2Cl2 by measuring out
Genrish500 [490]

Answer:

1.26 × 10^-8 M

Explanation:

We are given;

Number of moles of mercury (i) chloride as 0.000126 μmol

Volume is 100 mL

We are required to calculate the concentration of the solution.

We need to know that;

Concentration is also known as molarity is given by;

Molarity = Number of moles ÷ Volume

Number of moles = 1.26 × 10^-10 Moles

Volume = 0.01 L

Therefore;

Concentration = 1.26 × 10^-10 Moles ÷ 0.01 L

                       = 1.26 × 10^-8 M

Thus, the molarity of the solution is 1.26 × 10^-8 M

6 0
3 years ago
If a star of 50 solar masses were to supernova, it would most likely become a _____.
alexandr1967 [171]

The answer is Black Hole.

7 0
3 years ago
Read 2 more answers
A laboratory analysis of a sample finds it is composed of 38.8% carbon, 16.2% hydrogen, and 45.1% nitrogen. What is its empirica
Sladkaya [172]

Answer: The empirical formula for the given compound is CH_5N

Explanation : Given,

Percentage of C = 38.8 %

Percentage of H = 16.2 %

Percentage of N = 45.1 %

Let the mass of compound be 100 g. So, percentages given are taken as mass.

Mass of C = 38.8 g

Mass of H = 16.2 g

Mass of N = 45.4 g

To formulate the empirical formula, we need to follow some steps:

Step 1: Converting the given masses into moles.

Moles of Carbon =\frac{\text{Given mass of Carbon}}{\text{Molar mass of Carbon}}=\frac{38.8g}{12g/mole}=3.23moles

Moles of Hydrogen = \frac{\text{Given mass of Hydrogen}}{\text{Molar mass of Hydrogen}}=\frac{16.2g}{1g/mole}=16.2moles

Moles of Nitrogen = \frac{\text{Given mass of nitrogen}}{\text{Molar mass of nitrogen}}=\frac{45.4g}{14g/mole}=3.24moles

Step 2: Calculating the mole ratio of the given elements.

For the mole ratio, we divide each value of the moles by the smallest number of moles calculated which is 3.23 moles.

For Carbon = \frac{3.23}{3.23}=1

For Hydrogen  = \frac{16.2}{3.23}=5.01\approx 5

For Oxygen  = \frac{3.24}{3.23}=1.00\approx 1

Step 3: Taking the mole ratio as their subscripts.

The ratio of C : H : N = 1 : 5 : 1

Hence, the empirical formula for the given compound is C_1H_5N_1=CH_5N

3 0
3 years ago
How is liming a lake similar to a doctor prescribing medicine for a patient?
Jlenok [28]
An anti-acid medication
3 0
2 years ago
What kind of ions do acids have and what kind of ions do bases produce when you dissolve them in water
natulia [17]
Acids have hydronium ions and when dissolved in water, bases produce hydroxide ions. Hope this helps. 
3 0
3 years ago
Other questions:
  • How would you prepare 175 mL of a 0.350kmol/m^3 calcium nitrate solution
    9·1 answer
  • Reading glasses use what property of light waves to help people see better
    12·1 answer
  • Light of a certain energy shines on a metal and causes electrons to be emitted.
    8·2 answers
  • Please help me!! I really need help! If you can help explain the work I would really appreciate it! Thank you have a wonderful d
    13·1 answer
  • Modify methionine, below to show its zwitterion form.
    10·2 answers
  • Which two factors must be equal when a chemical reaction reaches equilibrium?
    15·1 answer
  • The warming of earths surface and lower atmosphere that occurs when greenhouse gases absorb reradicate is called the
    9·1 answer
  • Which climate zone is most affected by its altitude?
    9·1 answer
  • What will happen to the chemical equilibrium if MgCl2 is added? PLEASE HURRY
    8·2 answers
  • What is the general formula for cycloalkenes.
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!