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
Kisachek [45]
2 years ago
7

Which statments are true about balancing chemical reactions?

Chemistry
1 answer:
frez [133]2 years ago
3 0
D atoms that are in only one of the reactions and only one of the products should be down first
You might be interested in
A photon has an energy of 2.93 × 10 to the power of -25 J. What is its frequency? What type of electromagnetic radiation is this
Svet_ta [14]
You need to know the energy frequency relationship for photons, which is thanks to Max Planck:

Photon Energy = Planck constant x Frequency

Rarranged:
Photon Energy / Planck Constant = Frequency

Planck Constant = 6.63x10^-34

2.93x10^-25 / 6.63x10^-34 = Frequency

6 0
3 years ago
Read 2 more answers
The energy needed to remove an electron from an atom is called
Arlecino [84]

Ionization energy, also called ionization potential, in chemistry, the amount of energy required to remove an electron from an isolated atom or molecule

3 0
3 years ago
What is the mass of 8.90 moles of magnesium chloride, MgCl2?
Korolek [52]
No of moles of MgCl2 = weight of MgCl2 / Molecular weight of MgCl2 Weight of MgCl2 =moles of MgCl2 x molecular mass of MgCl2 = 8.90 x 95=845.5 gm
6 0
3 years ago
19. Contrast mitochondria and chloroplasts. (4 points)
anyanavicka [17]

Answer:

mitochondria are present in the cells of all types of aerobic organisms like plants and animals, whereas Chloroplast is present in green plants and some algae, protists like Euglena. Mitochondria is the colourless, bean shape organelles. Chloroplasts are green colour and disc shape organelles.

Explanation:

3 0
3 years ago
Sodium-24 has a half life of 14.8 hours how much of a 260.1mg sodium -24 sample will remain after 3.7days?
IrinaK [193]
3 minutes read 1 page for 5 hours how many pages?
4 0
3 years ago
Other questions:
  • Henry Moseley organized the periodic table by A. atomic weight. B. atomic number. C. electronegativity. D. overall charge of ato
    9·2 answers
  • Biomass can be used to generate electricity. Biomass relies heavily on agricultural crops. Plants release carbon dioxide and wat
    15·1 answer
  • The way metals surface reflects light is called
    7·2 answers
  • In ______ observation, EVERY INDIVIDUAL in a population is counted. In _________ observation, SIGNS OF AN INDIVIDUAL, such as tr
    15·1 answer
  • What is the coefficient in a chemical equation
    10·2 answers
  • Which energy source provides most of the world’s energy consumption? solar hydroelectric fossil fuels natural gas
    6·2 answers
  • If a compound contains an anion which is the conjugate base of a weak acid, the addition of hydronium ion solubility does what ?
    7·1 answer
  • Advantage of modern perodic law ​
    10·1 answer
  • According to the graph, which has a larger radius? According to the graph, what is the radius of Saturn?
    8·1 answer
  • The bac is a measurement of the amount of alcohol in:.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!