How might the mastodon have been killed? Who do you think might have killed it? Support your answers. Which is olde Inr sherd
Q: 2. How would our experimental results change if a less polar mobile phase was used such as butanol…
A: In a reverse phase chromatography, the solid stationary phase is non-polar in nature and the liquid…
Q: ah tr ar Licie IS d suonsanb OM1asaun ƏMSUP pup u DPau om 6. This article got a huge amount of…
A: The study of arsenic was not replicated after 2011 because at that time is was thought that if…
Q: Please answer part b.
A: The hydrogen atom is a single electron atom. The energy in a hydrogen atom depends on the energy of…
Q: 1. How does the organization of the periodic table help us identify possible substitutions fo…
A: The detailed solution of your question given below-- For the understanding the elements if periodic…
Q: 4. The specific heat Cp of a substance is given by Cp=a+BỊ where a = 20.35 J/K and b = 0.2 J K¹2…
A: Since you have posted multiple questions, we will provide the solution for only the first question…
Q: 4. Calculate the molarity of each of the following solutions: (a) 29.0 g of ethanol (C₂H5OH) in 545…
A: Molarity (M) is a concentration term for a solution. The molarity of the given solution is defined…
Q: Activity 1 1. A sample of compound A (a clear, colorless gas) is analyzed and found to contain 4.27…
A: Below attached file showing the details answer. All the best.
Q: please answer question 4.
A: Given:Velocity (Δv) = 50.0 m/s.Mass of hydrogen atom = 1 amu = 1.66 x 10-27 Kg.
Q: 10. Which rule or principle does the following orbital diagram violate? Why? 11. Which rule or…
A: There are mainly three principle or rule for orbital diagram. 1. Pauli exclusion principle 2.…
Q: Rose gold is a mixture of gold, copper, and silver atoms. It contains 58.3% gold, 33.5% copper, anc…
A: To solve this problem first we calculate the mass of rose gold then we calculate the mass of copper…
Q: SATP conditions P= 100.0 kPa T = 25 °C R 8.314 kPa-L/ (mol-K) R= 62.37 mmHg-L/ (mol-K) R=0.08206…
A:
Q: 9. Propose an efficient svnthesis for each of the following transformations: (d) -
A:
Q: CHEMICAL FLAME COLOR OBSERVATIONS NAME & FORMULA Calcium, Ca Lithium Li Sodium, Na* Strontium, S…
A:
Q: A reaction has a constant half-life of 250 s. How long will it take for the reactant concentration…
A: Given: Reaction is having a constant half-life of 250 s. And to find the time required for the…
Q: 1. We examined how different elements combine to form compounds using two models, the Periodic Table…
A: Macromolecules are molecule with large no. of atoms and molecules combined to each other, it's…
Q: Last edit was seconds ago BIUA =明山 3 GO ... TT Lesson 11: Student Activity Sheet Please read the…
A: The discovery describe that everyone need six elements of live life i.e carbon, hydrogen, nitrogen,…
Q: 1. How does the organization of the periodic table help us identify possible substitutions for…
A:
Q: 2. If 116.7mL of propane gas is released from a gas tank at 23°C, what temperature, in °C, would be…
A: Given, Initial volume in mL = V1 = 116.7 mL Initial temperature in 0C = T1 = 23 0C Final volume…
Q: 4. Some contact lens solutions use boric acid buffers to resist pH change. Over what pH range does…
A: pH=pKa +log[salt]/acid pOH=pKb + log[salt]/base boric acid has formula H3BO3, it is a weak acid with…
Q: 2. If 1.0120 g of potassium iodate were used to make the 500.0 mL solution, what is the molarity of…
A: Molarity is defind asmolarity=molevolume in litre________________________________________________The…
Q: A. Three common reducing agents are listed below. Give an example of a reaction that is done with…
A: The objective of this question is to explain about given reducing agents.
Q: Two samples of potassium chloride are decomposed into their constituent elements. One sample…
A:
Q: 2. 340 mL of oxygen gas are collected by displacement of water at 33 °C and 742 torr, where the…
A: since you have asked for question 2 only, we are providing a solution for the second question only.
Q: Part B The molecular formula mass of this compound is 210 amu. What are the subscripts in the actual…
A:
Q: A new isotope is discovered that has a mass of 25 amu and 15 neutrons. What is the elemental…
A: Given that, Mass = 25 amu No. of neutron=15 Element ?
Q: Draw the major product of the following reactions. HO, HNO, H,SO, a) Br2 FeBr3 b) Br NaOH, H2O 70 °C…
A: Aromatic electrophilic substitution reaction: Benzene and other aromatic compound gives mainly…
Q: Which of the following statements about the IR spectrum of but-2-yne do you expect to be true? The…
A: Reducible representation can be deduced from product of number of unshifted atoms and character with…
Q: 6. Calculate the masses of NaH2PO4 H20 and NazHPO, 7H20 needed to make 100.0 mL of a 0.100 M…
A: 6. Given that: volume of solution = 100 mL = 0.1 L molarity of solution = 0.1 M pH = 7.40 To…
Q: 16. All halogens have valence electrons in the s-block and p-block of the periodic table. True False…
A:
Q: Please answer question no. 10
A: 10. Given statements: a. Esters are more reactive than acid anhydrides. b. Amides are easily…
Q: 2. Human beings take in about 550.0 liters (L) of oxygen, O2, each day by breathing. Use the Ideal…
A: The question makes use of ideal gas equation. we have been given volume, temperature and pressure.…
Q: Which of the following could enter into H-bonding interactions with water? (Select all that apply.)…
A: Molecules 1,2and 4 is able to form hydrogen bonding intercation
Q: 7. What do the study findings suggest to us about our overall question, "How should we search for…
A: For life on earth depends six elements : carbon, hydrogen, oxygen, nitrogen, phosphorus and sulfur.…
Q: Calculate the following with correct significant figures: (103.482 + 11.0+0.8) (3.29–10.0) -17 O…
A: We have to solve the equation with correct sign figs.
Q: 1. If one quanta transfers from the cold block to the hot block, how many unique arrangements would…
A: the answer is 4 arrangements
answer number 7, thank you!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps