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
Lilit [14]
3 years ago
5

What is water molecules (H2O) an example of?

Chemistry
1 answer:
Allisa [31]3 years ago
3 0

Answer:

the answer is a) pure substance

Explanation:

water is natural

You might be interested in
How do you convert ethane to ethanoic acid? Please provide your equation.
tigry1 [53]
<span> ester of Ethanol and Ethanoic Acid is Ethyl Ethanoate. </span>

<span><span><span><span><span><span><span><span>C</span></span></span><span><span><span>2</span></span></span></span><span><span><span><span>H</span></span></span><span><span><span>5</span></span></span></span><span><span>O</span></span><span><span>H</span></span><span><span>(</span></span><span><span>l</span></span><span><span>)</span></span><span><span>+</span></span><span><span>C</span></span><span><span><span><span>H</span></span></span><span><span><span>3</span></span></span></span><span><span>C</span></span><span><span>O</span></span><span><span>O</span></span><span><span>H</span></span><span><span>(</span></span><span><span>l</span></span><span><span>)</span></span><span><span><span><span><span><span><span><span><span>c</span></span><span><span>o</span></span><span><span>n</span></span><span><span>c</span></span><span><span>.</span></span><span><span><span><span>H</span></span></span><span><span><span>2</span></span></span></span><span><span>S</span></span><span><span><span><span>O</span></span></span><span><span><span>4</span></span></span></span><span><span><span><span>/</span></span></span></span><span><span>w</span></span><span><span>a</span></span><span><span>r</span></span><span><span>m</span></span></span></span><span /></span></span></span><span><span><span><span>−</span><span>−−−−−−−−−−</span><span>→</span></span></span></span></span></span><span><span>C</span></span><span><span><span><span>H</span></span></span><span><span><span>3</span></span></span></span><span><span>C</span></span><span><span>O</span></span><span><span>O</span></span><span><span>C</span></span><span><span><span><span>H</span></span></span><span><span><span>2</span></span></span></span><span><span>C</span></span><span><span><span><span>H</span></span></span><span><span><span>3</span></span></span></span><span><span>(</span></span><span><span>a</span></span><span><span>q</span></span><span><span>)</span></span><span><span>+</span></span><span><span><span><span>H</span></span></span><span><span><span>2</span></span></span></span><span><span>O</span></span><span><span>(</span></span><span><span>l</span></span><span><span>)</span></span></span></span><span>C2H5OH(l)+CH3COOH(l)→conc.H2SO4/warmCH3COOCH2CH3(aq)+H2O(l)</span></span></span>
<span><span><span><span><span><span>Condition: Warm con. reactants with conc.</span></span></span></span><span>Condition: Warm con. reactants with conc.</span></span></span><span><span><span><span><span><span><span><span>H</span></span></span><span><span><span>2</span></span></span></span><span><span>S</span></span><span><span><span><span>O</span></span></span><span><span><span>4</span></span></span></span></span></span><span>H2SO4</span></span></span>
7 0
3 years ago
235 92 U &gt;144 56 Ba + 3 1 on
Kobotan [32]

Answer:?

Explanation:

5 0
2 years ago
When the pressure and number of particles are kept constant for a sample of gas, which of the following is also constant for the
Leno4ka [110]
The answer is D....................
7 0
3 years ago
Match the careers in chemistry.
Mandarinka [93]
The careers in chemistry should be closely related to working with chemical substances and the methods involved in experiments. Thus, the answers are finds practical applications information chemist and<span> market research R&D.</span>
3 0
3 years ago
Read 2 more answers
Question 3 of 11
daser333 [38]

Answer:

c

Explanation:

b and d are out, the variables are changed. a would be a repetition, not a replication. c uses the same method and variables with a different control group

6 0
3 years ago
Other questions:
  • A chemist adds 405.0mL of a 0.79M sodium carbonate solution to a reaction flask. Calculate the millimoles of sodium carbonate th
    13·1 answer
  • The weight of a cup filled with water is 2.58kg The weight of the empty cup is 1.5 kg. Considering significant figures what is w
    7·1 answer
  • The specific heat of aluminum is 0.9 j/goc. how many joules of heat are needed to raise the temperature of 10grams of aluminum b
    12·1 answer
  • Draw an example each of a hydrogen atom that can and can’t participate in hydrogen bonding.
    9·1 answer
  • Calculate the volume of naoh solution that contains 0.72 g of a 8.0 % (m/v) naoh solution.
    6·1 answer
  • A student dissolves 14.9 g of ammonium chloride (NH4Cl in 250. g of water in a well-insulated open cup. She then observes the te
    10·1 answer
  • Which statement is true about elements in a period on the periodic table?
    5·2 answers
  • A 250.0mL sample of chlorine gas is collected when the barometric pressure is 105.2 kPa. What is the volume of the sample after
    7·1 answer
  • The least dense gas is<br><br> neon<br> fluorine<br> krypton<br> chlorine
    6·2 answers
  • What temperature is absolute zero?<br> OA. 0°C<br> OB. OK<br> O<br> C. 0°F<br> D. O molecules
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!