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Q: please solve questions 2

A: Q2.Given that, 60Co undergoes radioactive decay.The half-life of it is .We have to calculate the…

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A: 44- D. Nonrenewable resources  45.  C. detergent  46. A. I and II alcohol and detergent  47. C. Wash…

Q: 4. Was heat being added to the system during the times that the temperature remained rela- tively…

A: Law of conservation of energy states that energy can neither be created nor  be destroyed but can…

Q: Why is appropriate sampling important in relation to food?

A: Approach to solving the question:SamplingDetailed explanation:Appropriate sampling is crucial in…

Q: Paclitaxel, known as Taxol, (CaHs,NO,4) has been known as an effective anti-cancer drug. It is…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: How many moles of CaCl2 are in 7.76 × 1024 formula units? 7.76 x 1024 formula units = mol

A: 1mole of substance = (6.023×10 23) formula units

Q: 1. Melting point can be defined as the temperature at which the solid and liquid forms of a compound…

A: There are generally 3 states of matter-  1- solid 2- liquid  3- gas

Q: A) Use the table to answer the question. Substance Boiling Point (°C) acetone 56 turpentine 160…

A: We are given different substance with their respective B.P as follows:

Q: How did you get 10306.22

A: The relationship between moles and mass is Mass = Mole ×Molar mass

Q: S (CQCL3) t σ 200 180 160 140 120 100 80 20 PPM 0 S (CDC13) 9 200 180 160 140 120 100 80 60 40 20…

A:

Q: The graph below shows approximate plots of lnP vs. T-1 for three compounds: methanol (CH3OH), methyl…

A: The Clasius Clapyeron combination equation is given as follows: lnP2P1=-ΔHvapR1T2-1T1 Where, P1 and…

Q: 77. The number of moles of H, needed to complete ly saturate 1 mole of vitamin A is HO

A:

Q: What are the answers to these questions

A: The question is based on naming the compounds. ionic compounds fully dissociate in its Aqueous…

Q: Q19 In order to find bactericidal antibiotics - substances that can selectively kill bacteria…

A: The given data of five compounds effect on the Bacterial cells and Human cells are shown below We…

Q: Suppose you have a mixture of water and your 2-chloro-2-methylbutane product in a separatory funnel.…

A: density of substance is defined as mass upon the volume

Q: How can you surely separate pure hexane from the mixture of hexane and water

A: We are to write a method to separate pure hexane from a mixture of water and hexane.

Q: Please help

A: Ionic compounds are soluble in polar solvents as “Like dissolves like.”  Therefore polar solvents…

Q: Numerical Response 10. Match the numbers of the locations in the diagram above with the descriptions…

A: Crude oil, commonly known as petroleum, is a naturally occurring oil mainly comprised of various…

Q: B Given the chromatogram from a simple paper chromatography experiment, which statement is TRUE? O…

A:

Q: Consider the data in the table. Compound Melting point (°C) AHfus (kJ/mol) Boiling point (°C) AH,p…

A: When a compound experiences a change of state, the Gibbs free energy becomes zero and entropy is…

Q: Suppose you have a mixture of water and your 2-bromo-2-methylbutane product in a separatory funnel.…

A: Density of 2-bromo-2-methylbutane is more than water.

Q: Br OH OH Movie:

A: Grignard Reaction: Firstly react bromobenzene with magnesium (Mg) metal in dry ether to form…

Q: What property of matter is most responsible for the fact that sound travels at different speeds…

A: Answer

Q: Chemistry HW need help, how to do these caculation and answer these questions?

A: Hi! Since there are multiple questions posted. We are answering first question. If you need further…

Q: 03. Urine contains urea. The urea used for fertilizers is synthesized in the laboratory. Which of…

A: Three multiple choice questions based on general chemistry, which are to be accomplished.

Q: Untitled Section N2(g) + 3H2(g) 2NH3(g) + heat 1) Ammonia (NH3) is added. Choose

A: The given equilibrium reaction is  N2(g) + 3 H2(g) ⇄ 2NH3(g)+heat

Q: Is there any other way they can be differentiated?

A: