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
makkiz [27]
3 years ago
13

What trait is unique to flowering plants

Biology
1 answer:
Oksi-84 [34.3K]3 years ago
7 0
Los Rasgos unicos como el color
You might be interested in
How many grams of potassium nitrate (KNO3) would form if 2.25 liters of a 1.50 molar lead nitrate Pb(NO3)2 solution reacts with
nekit [7.7K]
First we must understand the balanced chemical equation:
Pb(NO3)2 + K2CrO4 ==> PbCr04 + 2KNO3

This shows us that two moles of potassium nitrate are formed from 1 mole of lead nitrate or potassium chromate solution. The next step is to find out how many moles of each reactant there are. Note the word Molar is a concentration that simply means moles per liter.

2.25L of 1.5M lead nitrate = 2.25x1.5 = 3.375 moles of lead nitrate
1.15L of 2.75M potassium chromate = 1.15x2.75 = 3.1625 moles

The important part here is to see that the number of moles of the reactants are different. We know the number of moles of products will be dependent on the number of moles of reactants, and in this case there is less potassium chromate than there is lead nitrate, so this is the limiting factor as there is a one to one relationship with both reactants. Therefore, the number of moles of potassium nitrate produced is 2 x number of moles of potassium chromate. i.e. 6.325 moles of potassium nitrate is liberated.

To work out the number of grams, we must find the molar mass (the mass of one mole) of KNO3, which is the sum of the molar mass of each of its component atoms that make up the molecule. I've looked this up as 101.1 grams per mole.

Now we simply times the molar mass by the number of moles to yield the final grams liberated: 6.325 moles  x 101.1 grams/mole = 639.4 grams of potassium nitrate is liberated from this reaction.
7 0
3 years ago
Read 2 more answers
The hyperalgesia that is common in phantom limb pain could potentially be blocked if a new drug was developed that could prevent
gregori [183]

Answer: The answer is B- Diffusion of calcium ions through NMDA receptors.

Explanation:

Phantom limb pain (PLP) is a painful sensation experienced after the loss or amputation of a limb. The limb is no longer there but the individual can still feel real and severe pains in the limb. This occurs soon after surgery.

NMDA is a receptor for Glutamate which is an excitatory neurotransmitter. The activation of NMDA receptors are associated with hyperalgesia which is an abnormally heightened sensitivity to pain.

8 0
3 years ago
The Lincoln family has 3 children, 1 girl and 2 boys. What is the probability that their 4th child will be a boy?
goldfiish [28.3K]

Answer:

1/2

Explanation:

You have a 1/2 chance of having a boy and a 1/2 chance of having a girl.

Unless the question specifies whether or not there is a mutation present with the male parent, it is safe to assume there is a 50/50 shot of having a boy or girl.

4 0
2 years ago
Read 2 more answers
Being able to understand and follow rules is an example of _<br> __skills.
ivanzaharov [21]

Answer:

how many letters are there before skills?

Explanation:

If there is two spaces then i have the wrong answer

5 0
3 years ago
Digestion takes place inside vacuoles containing?
yulyashka [42]
Digestion takes place inside Iysosomes containing digestive enzymes. Hope I helped!
7 0
3 years ago
Other questions:
  • All BUT one is an example of a invasive species. That is A) zebra mussels introduced into the Great Lake region from Russia that
    14·2 answers
  • Hormones that stimulate cell elongation and are produced in the rapidly growing region near the tip of the plant's root or stem
    5·1 answer
  • UMMM who's good at science?!?!?!<br>What causes the convection cell to turn up at point A?
    14·1 answer
  • Describe the benefits of physical activity for three different body systems
    5·1 answer
  • How did James Watson and Francis Crick explain the DNA molecule’s consistent width?
    11·1 answer
  • Which of the following is normally the longest lived reservoir for carbon?
    15·1 answer
  • A skull from the genus Homo that dates from approximately 750,000 years ago is discovered. Where would the foramen magnum most l
    7·2 answers
  • A student is making a table to show the ways in which cell structures help to maintain homeostasis. Which cell structure
    11·1 answer
  • What is a specialized cell? Give an example.<br> What does it mean when cells differentiate?
    14·1 answer
  • Cells must move materials through the _______ and throughout the ______ to maintain _______. Movement of substances is regulated
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!