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Wanneer zouten in contact komen met water, vallen ze uiteen in losse ionen (= Besluit: een dissociatie is een reactie waarbij zoutkorrels uiteenvallen ...

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For 500 mL of soda water, water present - 500 mL

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What am I going to ask (can you see the pattern)?Could you tell me what I am going to write (can you see the pattern)?

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Earth is the only planet in the solar system that contains water. All living things need waterfor their survival. You can live without food for 3 to 4 weeks, but cannot survive without water for

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Chemistry Chemistry Organic Chemistry Questions

Here are 7 questions related to organic chemistry. 1. Curved arrows always point from electron pair _______(a) to electron pair ______ (b).2. Explain what the “S”, “N”, and “2” mean in an SN2 reaction.3. True/False (briefly explain): The product of an a SN2 reaction with an alkyl ...

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CHEMISTRY CHEMISTRY General organic chemistry

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No. of photons emitted by a sample of H atom :Absolute density (mass/volume) = Molar volume of the gasMole fraction of solute into molarity of solution M = x M  M x

Chemistry

Why aluminum nitrate solution turns red when adding litmus?

Chemistry

Assessment.docx and study guide 

Chemistry

A piston-cylinder assembly contains a two-phase liquid-vapormixture of H2O at 200 lbf/in^2 with a quality of 80%. The mixtureis heated and expands at constant pressure until a finaltemperature of 480 F is reached. Determine the work for theprocess, in Btu per lb of H2O present.

Chemistry

Reason:- Consider a vessel full of water. The water molecules are associatted by intermolecular hydrogen bonding. When we heat the water in that ...

Chemistry

The following are the standard enthalpy of formation of the values in the provided General formula from a general equation of the form; A + B = C is ...

Chemistry

Chemistry

You possess a string-like fuse that burns in exactly one minute. The fuse is inhomogeneous, and it may burn slowly at first, then quickly, then ...

Chemistry

6) Tin 120 Sn protons 50 electrons 50 neutrons(mass number-electrons) 120-50=70 mass 7) Tungsten 184 W protons 74 electrons 74 neutrons(mass ...

Chemistry

Identify the following as a chemical or physical property An ice cube is placed in sun. latter is a paddle of water. Later paddle is gone

Chemistry

If 80 moles of C 4 H8 is fed to the reactor and the reaction is 50% complete, what is the amount of

Chemistry

It is Cr-52. Reason, the atomic mass of chromium is 51.9 so nearest 52. 2. Fluorine atoms are very reactive, wanting to pick up an electron very ...

Chemistry

Answer: 20 C3H3NS + 60 O2 = 60 CO2 + H2O+ 20 H2S + 10 N2 37.19g produces mass of CO2= 37.19*44/85= 19.25g which is the yield of CO2

chemistry

You need 2.6 ounce of a steroid ointment . If there are 16 oz in 1lb, how many grams of ointment does the pharmacist need to prepare? Express in two significant figures

chemistry

For the following, give answers in standard notation with the correct number of significant figures. 2.10/(5) (15) , 0.886 x 3.6 x 6.1 , 3.9x0.257/8.68x20.0

Chemistry

Chemistry

The mechanism with the highest rate of reaction is the mechanism which has low or small activation energy. This is because; the rate of reaction can ...

Chemistry

One has to have 332.2ml of the 60% solution and 317.8ml of the 15% of the solution. We can use (iii) and (IV) as simultaneous equations.

Chemistry

Define or explain each of the following terms, and show how they relate to the other terms in each group. Build a concept map using these terms to ...

Chemistry

Biochemical reactions are the types of chemical reactions which take place naturally in the biological organisms (Lerer & Piper, 2003). In these ...

Chemistry

In normal situation, the fuse string is expected to burn completely within 60 seconds i.e one minute when burning from one end. Since you don’t have ...

Chemistry

1. Light passing through a transparent medium has a wavelength of 466 nm and a frequency of 6.20 × 1014 s-1. What is the speed of the light in the ...

Chemistry

It is a type of reaction in which an element replaces the position of another in a compound. It is