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anyanavicka [17]
3 years ago
11

Please help, its science ->-

Chemistry
1 answer:
WITCHER [35]3 years ago
7 0

Answer:

quantitative

Explanation:

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White light has no color.<br> False<br> True<br> Or false
Mnenie [13.5K]

Answer:

The answer is False.

Explanation:

Explanation:White light is produced when all 7 type of colour are combined together.

8 0
3 years ago
VICHELRING CONCEN<br>1. Water is a<br>molecule.​
zaharov [31]

Explanation:

the first thing you do with your child are in a world of good and good for the first word of life will be the best thing to be the same thing you need for a long 55666666inches to be in the

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4 years ago
Both of janies parents have dark hair. how likely is janie to have blonde hair? ​
sveticcg [70]

Answer:

The probability of Janie to have blonde hair would be a slim 13% to a 34%.

Explanation:

Not 100% sure but best estimation I can come up with.

3 0
3 years ago
What mass of CaCO3 is required to react completely with 0.56 L of HCl?
Lina20 [59]
The balanced equation for the above reaction is as follows;
CaCO₃ + 2HCl ----> CaCl₂ + H₂O + CO₂
stoichiometry of CaCO₃ to HCl is 1:2
molar volume states that 1 mol of any gas occupies a volume of 22.4 L at STP.
volume of 22.4 L occupied by 1 mol
therefore 0.56 L occupied by - 0.56 L / 22.4 L/mol = 0.025 mol
number of HCl moles reacted - 0.025 mol
2 mol of HCl reacts with 1 mol of CaCO₃
therefore 0.025 mol reacts with - 0.025/2 = 0.0125 mol 
mass of CaCO₃ required - 0.0125 mol x 100 g/mol = 1.25 g 
1.25 g of CaCO₃ is required 
8 0
3 years ago
Match each term to its description.
stepladder [879]

Based on ecological studies, the definitions below applies to the given terms:

  • Peak phenomena: this is when a population grows at a fast rate, then quickly drops when the resources run out
  • Biological surplus: this occurs when there are more organisms in a population than the ecosystem can sustain
  • Climax community: this is a point in an ecosystem when all populations reach a point of little or no change
  • Sigmoid phenomena: this is when a population increases while food and habitat are abundant and decreases as food becomes less available

<h3>What is ecology and what are some terms in ecology?</h3>

Ecology is the study of living things and their interactions with their environment.

Some terms in ecology include:

  • Peak phenomena: this is when a population grows at a fast rate, then quickly drops when the resources run out
  • Biological surplus: this occurs when there are more organisms in a population than the ecosystem can sustain
  • Climax community: this is a point in an ecosystem when all populations reach a point of little or no change
  • Sigmoid phenomena: this is when a population increases while food and habitat are abundant and decreases as food becomes less available

Learn more about Peak phenomena, Biological surplus, Climax community and Sigmoid phenomena at: brainly.com/question/7149100

8 0
3 years ago
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