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Chemistry
Chemistry
High School
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Chemistry
High School
Can plants and animals adapt more easily to slow environmental changes or fast environmental changes? Explain.A. None of the other answer choices B. Fast changes, because they weed out weak organisms C. Fast changes, because species prefer to adapt quickly D. Slow changes, because they give species time to adapt2..Which trait would likely help an organism survive in a cold environment so it can reproduce offspring?Responses A. A good sense of smell B. Layers of fat C. Strong legs D. Large ears
Chemistry
High School
1. How many grams are in 1.7 x 10^23 particles of Cl2?2. How many moles are in 3.28 x 10^23 atoms of NaCl? *3. If I were to determine how many liters 26 grams of water is, what type of conversion would this be? *A Mass --> Moles --> ParticlesB Mass --> Moles --> VolumeC Volume --> Mass --> MolesD Moles --> Mass --> Volume
Chemistry
High School
Calculate the value of Key in the following reaction if the equilibrium concentrations are[H2S] -0.25 M, (H2) - 0.88 M, [S2] -0.44M.2 H2Sig) = 2 H2(g) + S218)
Chemistry
Middle School
The Miami Blue butterfly is an endangered species in South Florida. Which factor has most likely caused the population decline of this butterfly? increase in the number of parksincrease in number of homes builtdecline in the amount of predatorsdecline in the amount of seawater
Chemistry
High School
how atoms form chemical bond discuss in detail
Chemistry
Middle School
Although Leonardo Da Vinci was well-known for being an artist, how has he contributed to the fields of motion and medicine?Thx if you help :D
Chemistry
High School
3. Ca(OH)2 + 2HCI = Cacl. + 2HO If you start with 29.0 grams of Ca(OH), and 12.5 grams of HCl how many moles of water can be formed? What is the limiting reagent?
Chemistry
High School
8.What domain does column A represent?ArchaeaEukaryaBacteriaEuryarchaeota
Chemistry
High School
number 2 ...............
Chemistry
High School
What is one thing that is the same about a mole of sodiums and a mole of carbons? A) The weightB) All of theseC) The total number of atomsD) The mass
Chemistry
High School
What is the temperature
Chemistry
College
Which is the correct statement regarding the relative Rf values of the starting methyl benzoate vs the product, methyl m-nitrobenzoate on a silica gel TLC plate. The product has a higher Rf value on a silica gel TLC plate because it is less polar than the starting methyl benzoate. The product has a lower Rf value on a silica gel TLC plate because it is less polar than the starting methyl benzoate. The product has a higher Rf value on a silica gel TLC plate because it is more polar than the starting methyl benzoate. The product has a lower Rf value on a silica gel TLC plate because it is more polar than the starting methyl benzoate. 1.5 points QUESTION 2 Methyl benzoate is more reactive than benzene in Electrophilic Aromatic Substition [EAS] reactions. True False 1 points QUESTION 3 Methyl m-nitrobenzoate is less reactive than methyl benzoate in Electrophilic Aromatic Substition [EAS] reactions. True False
Chemistry
College
A rock is made of the same substance while a mineral is made up of different type ofrocksTrueFalse
Chemistry
High School
For her science project, Suzanne made an animal cell using a rectangularshoe box, pipe cleaners, and construction paper. One comment that theteacher made was that Suzanne should not have used a shoe box. Why didthe teacher make this comment? *
Chemistry
High School
Please help!! The answer that shows work and does not send link will get brainiest!
Chemistry
High School
How many chlorine atoms are there in 100 g of carbon tetrachloride
Chemistry
High School
How many moles are in 46.7g of H2O gas?
Chemistry
College
pls help What are the benefits and limitations of scientific experiments and investigations?
Chemistry
High School
How can you Weigh more on the earth than you would on the moon and still have the same mass in both places.
Chemistry
High School
How many moles of H2 can be made from the complete reaction of 1.5 moles of Al? Given: 2 Al + 6 HCl 2 AlCl3. + 3 H2
Chemistry
High School
The fictional element Nt contains atoms with two valence electrons. Which type of intermolecular force is most likely responsible for the properties of NtF2?O dipole-dipole forcesO ion-ion forcesO hydrogen bondingO dispersion forces
Chemistry
High School
Where are Gold, Limestone and kaiolin found.
Chemistry
High School
Which flows through the other?
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