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
Oksana_A [137]
3 years ago
10

I need help question 7

Chemistry
1 answer:
algol [13]3 years ago
8 0

Answer:

B

Explanation:

As you can see in these 4 examples, B- looks completely different from A, C, D! In B: The reactants and products are completely different in the Element Figures.

You might be interested in
All weather is energy in motion. Where does the energy come from
alekssr [168]

Answer:

The Sun radiates huge amounts of energy. Only a small portion of that energy hits the Earth, but it is enough to light our days, heat our air and land, and create weather systems over the oceans. Most of the energy you will learn about comes from the Sun. The Earth also gives off energy.

Explanation:

8 0
2 years ago
Read 2 more answers
ASPA!!!! How could a scientist determine what elements are present in a distant star by looking at its absorption spectrum?
8_murik_8 [283]

Answer:

Spectroscopy

Explanation:

They can determine its composition based on these wavelengths. The most common method astronomers use to determine the composition of stars, planets, and other objects is spectroscopy

8 0
2 years ago
What is the molecular formula of C,H,O
DIA [1.3K]

Answer:

It is composed of 57.17% S and 42.83% C and has a molar mass of 448.70 g/mol. Determine the empirical and molecular formulas of “sulflower.”

...

what is the molecular formula of the compound?

Empirical formula Molar mass (g/mol) Molecular formula

CHO 116.1

C8H16

Explanation:

Hope this helps

8 0
3 years ago
Exactly 1 mol Hg2(NO3)2 contains how many moles of Hg , N , and O ?
marin [14]

In exactly 1 mol Hg₂(NO₃)₂ , there are 2 mol Hg, 2 mol N and 6 mol O.

Since the molecular formula of Hg₂(NO₃)₂ shows that for every mole of the substance, we have 2 moles of Hg, 2 moles of N and 6 moles of O.

So, in exactly 1 mol Hg₂(NO₃)₂ , there are 2 mol Hg, 2 mol N and 6 mol O.

Learn more about number of moles here:

brainly.com/question/3935424

6 0
2 years ago
How many nonmetals are there on the periodic table?
ZanzabumX [31]
There are 17 nonmetals
4 0
4 years ago
Read 2 more answers
Other questions:
  • VSEPR theory predicts an identical shape for all of the following, except:_______. A. NH_3 B. H_3O^+ C. BH_3 D. CH_3^+ E. All of
    13·1 answer
  • What do bacteria need to reproduce?
    13·1 answer
  • What happens to the partial pressure of oxygen in a sample of air if the temperature is increased?
    7·2 answers
  • Which statement correctly describes the differences between positive and negative acceleration?
    9·1 answer
  • Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. A soluti
    10·1 answer
  • Why are suspensions and colloids opposites concerning the way the<br> particles in them behave?
    12·2 answers
  • A 3.0 L solution contains 73.5 g of H2SO4. Calculate the molar concentration of the solution.
    6·2 answers
  • A Review Constants Periodic Table
    6·1 answer
  • Which of the following combination of elements would result in covalent compound? * W X Y Z Vand X Wand Z Y and Z Wand y​
    11·1 answer
  • Balance the equation <br><br> CsOH + Fe2(SO3)3 —&gt; <br><br> Fe(OH)3 + Cs2SO3
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!