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
lozanna [386]
3 years ago
9

When a 4.2 gram sample of mercury (Il) oxide, HgO is decomposed into its elements by •

Chemistry
1 answer:
Usimov [2.4K]3 years ago
7 0

Hg = (3.2 : 4.2) x 100% = 76.19%

O = (1 : 4.2) x 100% = 23.81%

You might be interested in
What is not a way that a mineral can be formed
Yuri [45]
<span> under extreme heat or pressure
 crystallize from magma
 precipitate from a solution reaction of hot mixture with water and a dissolved substance</span>
8 0
3 years ago
D‑Glucose and L‑glucose are
tensa zangetsu [6.8K]

Answer:

<h3>A. Epimers </h3>

Explanation:

<h2>Hope it help ❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️</h2>
3 0
3 years ago
Read 2 more answers
Ill mark u brainlest if u answer me wit no links!
rodikova [14]

Answer: I believe it would be using group input to discuss and prepare preliminary designs

Explanation:

7 0
3 years ago
What are eight elements named after towns
maxonik [38]
1. Berkelium(Berkeley, CA) 2. Dubnium(Dubna, Russia) 3. Darmstaditum (Darmstadt, Germany) 4. Erbium(Ytterby, Sweden) 5. Strontium(Strontian, Scotland) 6. Terbium(Ytterby, Sweden) 7. Yttebium(Ytterby, Sweden) 8. Yttrium(Ytterby, Sweden)
5 0
3 years ago
A block of aluminum occupies a volume of 15.0 mL and weighs 40.5 g. What is its density?
Rzqust [24]

Answer: d=2.70 g/mL

I think

7 0
3 years ago
Other questions:
  • Is a Mercury Thermometer a pure substance or a mixture?
    11·1 answer
  • Which statement about enzymes is true?
    8·1 answer
  • New substances formed during a chemical reaction are indicated -
    9·1 answer
  • Units used to measure the rate of electron flow
    6·1 answer
  • What is 25 milliliters in cubic centimeters
    9·1 answer
  • In 1808, John Dalton proposed a series of statements regarding the atom that became known as Dalton's postulates or Dalton's ato
    7·1 answer
  • Describe the atomic theory of atoms. How does this help us understand differences the three states of matter?
    8·1 answer
  • Radioactive cobalt-60 is frequently used in treating cancer. It took 24 years for a 10 gram sample to decay to 0.625 grams. What
    11·1 answer
  • Enantiomers are molecules that show handedness and contain at least one chiral carbon. a chiral carbon has ________ different gr
    7·1 answer
  • A __________ is a closed path or loop around which an electric current flows.
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!