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
laila [671]
3 years ago
11

Attached are two chemistry questions I need help with. thank you to whoever helps me out

Chemistry
1 answer:
ivann1987 [24]3 years ago
4 0
13.6 
a) yes Pb is more reactive  that Ag, Pb before Ag
b) no, Cu after H
c) yes, Cl2 is more active than I2
4) yes, Mg is more active

13.7 (as I think)
Al ³⁺  more active than Zn²⁺, Mn can react with  Zn²⁺, but not with Al ³⁺ , because Mn after Al but before Zn
You might be interested in
Which is an unreliable source?
vodomira [7]

Answer:

I believe CDC I s the most reliable

6 0
3 years ago
Create a food chain that shows the energy transfer from the sun to a grizzly bear. Include four transitions (arrows) in your foo
lidiya [134]

Sun⇒ Phytoplankton (Producer)⇒ Zooplankton (Primary consumer)⇒ Fish (Secondary consumer)⇒ Bear (Tertiary consumer).

  • A food chain is a sequence of transfer of food and energy when one organism is consumed by another organism.
  • A food chain is always unidirectional sequence.
  • In the provided food chain the sun is the source of energy required for the preparation of food by the phytoplankton that is an aquatic autotroph which will prepare its food by the process of photosynthesis.
  • The phytoplankton being producer of biomass is consumed by the zooplankton that is the primary consumer than the zooplankton will be consumed by the fish that is the secondary consumer and carnivore by origin and finally the fish will be consumed by the bear that is also carnivore and is tertiary consumer.

Learn more about food chain:

brainly.com/question/16543685

6 0
2 years ago
Read 2 more answers
Balance the equation ___ CaCO3 -> ____ CaO + ____ CO2
Degger [83]

Answer:

CaCO3 -> CaO + CO2

Explanation:

Woahhhh, did you balance it yourself just then?

3 0
3 years ago
(01.01 MC) Which of the following could be considered a scientific statement?
Travka [436]

The correct answer is option C, that is, it appears that ants live in colonies.

The statement, that is, pizza is the best-tasting food on Earth is false, as it cannot be tested. The statement, that is, I believe that there is life on other planets is not a scientific statement, as it is just a belief. The statement, that is, I think nuclear energy is bad is also not a scientific statement as it is just an opinion.  

The statement, that is, it appears that ants live in colonies is a scientific statement as one can observe and test this.  

5 0
3 years ago
Read 2 more answers
Complete the structure of poly propane in the equation.
Paladinen [302]

n propene molecules == polymer (polypropene)

7 0
3 years ago
Other questions:
  • Convert 238 cm to the unit km. 0.00238 km 0.238 km 2.38 x 105 km 2.38 x 107 km
    14·1 answer
  • Two springs with spring constants k1 and k2 are connected together. With mass m1 attached, the springs have
    15·1 answer
  • Washing filtrate with sodium bicarbonate
    10·1 answer
  • How many moles of Hydrogen gas must be used to make 0.75 mol of NH3?<br> N2+3H2 ---&gt;2NH3 *
    6·1 answer
  • Food contains what form of energy?<br> -Nuclear<br> -Gravitational<br> -Radiant<br> -Chemical
    5·1 answer
  • 1,670,000,000 in<br> scientific notation pleaseeee
    8·2 answers
  • How many milliliters of an aqueous solution of 0.222 M manganese(II) iodide is needed to obtain 9.57 grams of the salt?​
    9·1 answer
  • Give two test substances that would react with each other to produce salt and water​
    8·1 answer
  • PLEASE HELP MEEEE! WILL MARK BRAINLIEST IF CORRECT!
    8·2 answers
  • A sample of 4.0 L of nitrogen, at 1.2 atmospheres, is transferred to a 12 L container.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!