Question

Questions 1.39

Step 1

The reaction is as follows,

Step 2

Observing above reaction it is clear that one mole of zinc requires one moles of Sulphur to produ...

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Q: According to the following reaction, how many grams of water are produced in the complete reaction o...

A: Here, we have to determine mass(grams) of water which is produced in the complete reaction of 24.1 g...

Q: Acetone (nail polish remover) has a density of 0.7857 g/cm3. What is the volume, in milliliters, of...

A: Density is the ratio of mass to Volume. Given:Mass of acetone = 6.72 gDensity of acetone = 0.7857 g/...

Q: Suppose that 0.95 g of water condenses on a 75.0-g block of iron that is initially at 22 °C. If the ...

A: To calculate the final temperature of iron block, the energy is calculated from the condensation of ...

Q: How would you prepare 10 mL of a 0.25% m/v HCl solution if 1% m/v HCl was available? How much 1% m/v...

A: It is given that:Volume (V1) of solution = 10 mLConcentration of HCl solution (M1) = 0.25 %Concentra...

Q: Why are wavlength maxima different for UV-Vis and Fluorescence?

A: Any molecule has quantized electronic levels. These levels differ largely in energy as compared to ...

Q: Consider the equation: (9 x 10^-38) x (9.00 x 10^3) x 35.3= Y how many significant figures should Y...

A: The significant figures can be defined as the digits in the given number that carry some meaning and...

Q: Identify the acid and conjugate base in each reaction. Calculate the pKA for each acid. List them in...

A: Conjugate acid-base pair are considered differ only by H+ ion. Acid form corresponding conjugate bas...

Q: Table salt contains 39.33 g of sodium per 100 g of salt. The U.S. Food and Drug Administration (FDA)...

A: Mass percentage of sodium in salt can be calculated as follows:

Q: Boron consists of two isotopes. The reported mass of boron is the weighted average of these two isot...

A: Boron has two isotopes which are B-10 and B-11. It is given that the abundance of B-11 is x and for ...

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