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
tester [92]
4 years ago
5

A solid white substance A is heated strongly in the absence of air. It decomposes to form a new white substance B and a gas C. T

he gas has exactly the same properties as the product obtained when carbon is burned in an excess of oxygen. Based on these observations, can we determine whether solids A and B and the gas C are elements or compounds? Explain your conclusions for each substance.
Chemistry
1 answer:
Nikolay [14]4 years ago
4 0

Explanation:

The substance which is white in color is heated which give further different products which means that A is composed of different elements and thus <u>A is a combination of elements and is a compound.</u>

The product obtained when carbon is burnt in excess of air is carbon dioxide gas. Since, it is mentioned in the question that gas C has exactly the same properties as carbon dioxide which also suggests that <u>C is also definitely a compound.</u>

<u>It is not very sure about B, whether it is a compound or a element</u> as there is not much information available for B. But, B is likely to be a compound because a very few elements have white color but still it's not sure.

You might be interested in
How does this article relate to me?
mario62 [17]
I cant help unless there is an article..
4 0
4 years ago
Read 2 more answers
Balance Fe3O4 + H2 = Fe + H2O
Snezhnost [94]
Fe3O4 + 4H2 = 3Fe + 4H2O

Fe3O4 + 4H2SO4 = Fe2(SO4)3 + FeSO4 + 4H2O
3 0
3 years ago
How many grams of iron(II) chloride are needed to produce 44.3 g iron(II) phosphate in the presence of excess sodium phosphate?
zalisa [80]

Answer:

47.2 g

Explanation:

Let's consider the following double displacement reaction.

3 FeCl₂ + 2 Na₃PO₄ → Fe₃(PO₄)₂ + 6 NaCl

The molar mass of Fe₃(PO₄)₂ is 357.48 g/mol. The moles corresponding to 44.3 g are:

44.3 g × (1 mol / 357.48 g) = 0.124 mol

The molar ratio of Fe₃(PO₄)₂ to FeCl₂ is 1:3. The moles of FeCl₂ are:

3 × 0.124 mol = 0.372 mol

The molar mass of FeCl₂ is 126.75 g/mol. The mass of FeCl₂ is:

0.372 mol × (126.75 g/mol) = 47.2 g

5 0
3 years ago
Why is the net charge of a neutral atom zero?
nikitadnepr [17]

Answer:

Explanation:

The positive (protons) and negative (electrons) charges balance each other in a neutral atom, which has a net zero charge. Because protons and neutrons each have a mass of 1, the mass of an atom is equal to the number of protons and neutrons of that atom.

6 0
3 years ago
What mass of NaCl can be produced by the reaction of 0.75 mole Cl2? <br> 2Na+Cl2—&gt; 2NaCl
Papessa [141]
The correct answer is D. 88 g

Good Luck!! Hope this helps!! :)
8 0
3 years ago
Other questions:
  • A binary compound created by reaction of nitrogen and an unknown element E contains 30.46% N and 69.54% E by mass. If the formul
    13·1 answer
  • Can someone help me
    12·1 answer
  • SO4 + KBr → SnBr2 + K2SO4 i need this balanced
    11·1 answer
  • Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2(g)
    12·1 answer
  • PLEASE HELP ME 20 POINTS!!!!!
    15·1 answer
  • Compare and contrast alpha beta and gamma radiation
    11·1 answer
  • In determining the energy of activation, why was it prudent to run the slowest trial done at room temperature in the hot water b
    6·1 answer
  • When was that one moment when you laughed the hardest
    11·2 answers
  • Convert 3.0 cups/lb to L/kg
    6·1 answer
  • What does a change in the entropy of a system indicate?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!