Questions LLC
Login
or
Sign Up
Ask a New Question
Koleta miriama vurai
Questions and answers by
Koleta miriama vurai
Questions (104)
Which type of solvent is best suited to dissolve ionic or highly polar substances
1 answer
13 views
Which type of solvent is best suited to dissolve non Pilar substances
1 answer
12 views
Nature solute of sodium chloride
1 answer
9 views
Napthalene Nature of solute
1 answer
9 views
Glucose nature of solute
1 answer
10 views
Sodium nature of solute
1 answer
15 views
Sodium chloride nature of solute
1 answer
11 views
Explain how the membrane-enclosed organelles of eukaryotic cells arose
1 answer
12 views
Distinguish between the major groups of algae and protozoan
1 answer
7 views
Explain the evolution of multicellular organism from a unicellular protist
1 answer
12 views
State the evidence that suggests that plants evolved from charophyceans
1 answer
8 views
Describe the typical bryophyte life cycle, using a moss example. Explain the significance of alternation of generation
1 answer
12 views
Indicate which, if either,part of the life cycle is dominant and which is dependent in mosses and ferns
1 answer
30 views
Which part of the ferns life cycle is dominant and dependent
1 answer
12 views
Which part of the mosses life cycle is dominant and dependent
1 answer
13 views
How is pteridophyte life cycle different from that of bryophyte
1 answer
15 views
Four keys adaptation for plants living on land
1 answer
10 views
Explain how the pollen makes the pivotal step in adaptation of seed plants to dry land.
1 answer
12 views
Significance of alternation of generations
1 answer
12 views
List adaptation that have enhanced the success of angiosperm
1 answer
17 views
Three characters that flowering plants have that ferns and gymnosperm do not
1 answer
9 views
Basic purpose of any type of fruit
1 answer
13 views
What is the primary function of the endosperm in the sexual reproduction of flowering plants
1 answer
11 views
Calculate the mass of NaCl in 46.6g of 3.00% by mass saline solution
1 answer
6 views
A company that manufacturers wine claims that red wine contains 14.1% by volume of ethanol (density of ethanol is 0.789g/cm³)
1 answer
13 views
Calculate the %by mass of solute in an aqueous solution which is made up of 5.50g of NaBr in 78.2g of solutions
1 answer
12 views
Plant scientists are searching Peru, Mexico and the Middle East for wild ancestors of potato, corn and wheat. Why is this search
1 answer
13 views
Two properties of gases
1 answer
8 views
State Boyles law,Charles law,and Gay-lussacs law of gases
1 answer
10 views
A certain supply of hydrochloric acid has a concentration of 36.0%by mass HCl. The density of the solution is 1.19g/ml.calculate
1 answer
17 views
A sample of carbon dioxide gas occupies a volume 3.50Lat 125kPa pressure. What pressure would exert if the volume was decreased
1 answer
9 views
A sample of gas occupies 15L at 50.0°C and 1 55atm . What will its volume be at 80.0°C and 2.5atm
1 answer
11 views
Calculate the pressure exerted by 1.5g of co2 gas at temperature of 35°c and a volume of 525cm³ ? [ choose the appropriate R
1 answer
11 views
Explain why it is faster to observe the genetic effects of radiation on mosses than on plants from other groups
1 answer
9 views
Imagine that you are conducting tests shortly after a nuclear accident. Using potted moss plants as you experimental organisms ,
1 answer
9 views
The plants are close together. What is the purpose of this closeness
1 answer
10 views
What functions do the rhizomes seem to perform
1 answer
10 views
What functions do the rhizoids seem to perform
1 answer
12 views
When the egg and sperm unite, the result is a cell called the zygote. Where is the zygote formed
1 answer
17 views
Where is the zygote formed in the gametophyte stage in mosses
1 answer
17 views
What does the zygote become in he mosses
1 answer
12 views
Purpose of closeness in plants in mosses
1 answer
9 views
Does the leaf have vascular tissue in mosses
1 answer
13 views
Describe the arrangement of the cells in moss leaf
1 answer
11 views
How many cells layers does a moss leaf appear to have
1 answer
11 views
Are chloroplasts present?if so, how are they arranged in an individual cell
1 answer
15 views
would you expect to find moss plants growing Where there is little or no water present? Explain your answer.
1 answer
11 views
In the alternation of generations in a moss ,which is the dominant, independent generations
1 answer
13 views
In the alternation of generations in a moss which is the dependent generations
1 answer
17 views
Are the sporophyte stages on all gametophyte s?explain why.
1 answer
10 views
A 30.84cm³volume of 0.128M NaOH is required to reach the phenolpthalein endpoint in the titration of a 5.441g sample of
1 answer
9 views
Explain how the burette and pipette are cleaned for use in titration
1 answer
12 views
Explain how a burette is filled up
1 answer
11 views
Why is it important to use the same pipette throughout this experiment
1 answer
12 views
Why is it necessary to pre-rinse volumetric glassware with the solution to be measured? Would it matter if droplets of distilled
1 answer
12 views
If vinegar is actually 5.00% by mass acetic acid in water, what is your percent error?( percent error =[ actual value-
1 answer
9 views
A student didn't notice that her pipette tip was broken. She used the pipette properly but it consistently delivered 4.70cm³ of
1 answer
11 views
List some possible errors in this experiment
1 answer
10 views
What could be the suitable conclusion in the Mass percent of Acetic Acid in Vinegar in the experiment
1 answer
12 views
Why is the radius of a lithium atom larger than the radius of hydrogen atoms
1 answer
12 views
A certain supply of hydrochloric acid has a concentration of 36.0% by mass HCl. The density of the solution is 1.19g/mol
1 answer
14 views
A company that manufactures wines claim that red wine contains 14.1% by volume of ethanol ( density of ethanol is 0.789g/ cm³)
1 answer
17 views
Calculate the % by mass of solute in an aqueous solution which is made up of 5.50g of NaBr in 78.2g of solution
1 answer
10 views
Calculate the molality of each of the following aqueous solution:
2.50M NaCl solution ( density of solution =1.08g/mol) 48.2 %
1 answer
10 views
Calculate the 48.2% by mass of KBr solution
1 answer
9 views
A 25.0ml sample of concentrated HBr (7.42M) is diluted to a final volume of 5.00ml.what is the molarity of the final solution
1 answer
7 views
What volume (cm³) of concentrated HI(5.51M)should be used to prepare 125.0cm³of a 0.100M solution
1 answer
8 views
How much water needs to be added to 15.0cm³ of 16.0M HNO3 in order to dilute it to a 2.5M solution
1 answer
9 views
A 14.3mL sample of a 15.0% solution of K2CrO4 has a density of 1.129g/cm³. The sample is diluted to a volume of 100.0mL. What
1 answer
6 views
A sample of natural gas contains 8.24mol of methane , 0.421mol of ethane, and 0.116mol of propane .if the total pressure of the
1 answer
10 views
A cylinder with a movable piston contains 2.00g of helium ,at a temperature of 25°c. More helium was added to the cylinder and
1 answer
12 views
Compare monocot and dicot roots .which tissue do they have in common? How does the arrangement of the tissue differ?list a few
1 answer
12 views
Why are fungi and plants classified in different kingdom.
1 answer
10 views
What are mycorrhizae
1 answer
10 views
Explain the three phases in the life cycle of a typical fungus
1 answer
11 views
Lichens are a combination of what two types of organisms? Explain the importance of lichen as an indicator of air quality.
1 answer
10 views
Explain the importance of lichen as an indicator of air quality
1 answer
8 views
Discuss the importance of fungi
1 answer
12 views
What is the micro-gametophtye of seed plants
1 answer
10 views
If the vinegar is actually 5.00% by mass acetic acid in water what is your percent error? Percent error =[(actual value-
1 answer
7 views
Difference between pollination and fertilization
1 answer
8 views
What is fruit
1 answer
7 views
How are angiosperm and it's pollinators mutually rewarded by their relationship
1 answer
8 views
In what ways are forests non renewable? In what ways can they be renewable resources?
1 answer
9 views
Three functions of unitarian gastrovascular cavity
1 answer
7 views
Flat worms and cnidarians differ in symmetry.,with flatworms being ?and cnidarians being ? But the animal of both phyla have ?
1 answer
11 views
Three functions of a cnidarians gastrovascular cavity
1 answer
11 views
Function of the chelipeds
1 answer
11 views
Function of cheliped in prawns
1 answer
8 views
What is the function of other pairs of legs of the prawn instead of cheliped
1 answer
9 views
What do you think the prawns uses their maxillipeds for?
1 answer
14 views
Why do you think that the maxillipeds are fringed with hair like structures ( called setae)
1 answer
7 views
Function of the swimmerets in prawn
1 answer
8 views
How is segmentation advantageous
1 answer
11 views
How do birds grind up their food
1 answer
8 views
Why is most plant material so difficult to digest? Describe three ways herbivorous mammals are adapted to digest plants
1 answer
10 views
In what ways have nutrition methods become more efficient?
1 answer
8 views
What evolutionary trend has led to selection for efficient and complex methods?
1 answer
8 views
Literature review on pot mix ingredients
1 answer
9 views
Literature review on pot mix ingredients
1 answer
9 views
Pages
1
2
