Do Sugar Crystals Grow Faster In Tap Water Or In Distilled Water?

Answers

Answer 1

Answer: Sugar crystals grow faster in Distilled water because tap water has iron, fluoride, and chlorine in it. Hope I answered your question! :)

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If an element, X, can form an oxide that has theformula X2O3, then element X would most likely be located on the Periodic Table in the same group as(1) Ba (3) In(2) Cd (4) Na

How will the vapor pressure of an aqueous solution of sodium chloride compare to that of pure water?

Answers

The vapor pressure of a compound refers to the pressure generated by the vapour of a compound in equilibrium with its condensed stage. The major determinant of a compound vapour pressure is temperature. The vapour pressure of an aqueous solution of sodium chloride will be lower than that of pure water. This is because, dissolution of solute in a solvent always reduces the vapour pressure of the solution as a result of interactions between the molecule of the solute and the solvent. Thus, a pure compound will always have a higher vapour pressure than a solution.

The solutions vapor pressure would be lower.

How many protons , electrons, and neutrons are contained in gallium-69?

Answers

In gallium-69, there are 31 protons, and and 31 electrons, if it is an atom of gallium-69. There are 38 neutrons as well.

Final answer:

Gallium-69, an isotope of Gallium, contains 31 protons, 31 electrons and 38 neutrons.

Explanation:

Gallium-69 is a specific isotope of the element Gallium.Gallium is the element with atomic number 31 on the periodic table. This atomic number means that a Gallium atom has 31 protons in its nucleus. Given that in a neutral atom the number of electrons equals the number of protons, we can also deduce that Gallium-69 contains 31 electrons.

The number following the name of the element, 69 in this case, is the isotope's mass number, which is the total number of protons and neutrons that an atom of that isotope contains in its nucleus. To find the number of neutrons in Gallium-69, you simply subtract the number of protons from the mass number. This yields 69 - 31 = 38. Thus, Gallium-69 has 38 neutrons.

Learn more about Gallium-69 here:

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What climates make up the largest climatic zone on earth

Answers

Polar zone, temperature zone and tropical zone

I looked it up and it should be polar zone,tropical zone, and temerate zone

How many moles are in 4.818 x 1024 chloride ions

Answers

Answer:

The answer is 8.00 moles

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

$n = (N)/(L) \n$

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

$n = \frac{4.818 * {10}^(24) }{6.02 * {10}^(23) } \n = 8.00332225...$

We have the final answer as

8.00 moles

Hope this helps you

A graduate student working toward a PhD in Chemistry discovers an efficient, powerful redox reaction involving an uncommon combination of chemicals. In order to show other chemists the voltage generated by the reaction, the student would most likely record information in

Answers

In order to show other chemists the voltage generated by the reaction, the student would most likely record information in the Standard Reduction Potentials in Aqueous Solution at 25 degrees Celsius. This is a list of ions in the solution at standard temperature and pressure.

What is the pH of a 0.028M solution (pH=-log(M))A) 3.56
B)2.88
C)1.55
D)1

Answers

Answer:

Explanation:

-log(0.028)=1.55

Answer:

ph =-log (28 x 10^-2)

= -(log 28 +log10^-2) ie using indices

= -(1.44+(-2) )

=-(-0.56)

= 0.56

=approximately (1) ans

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Which solution has the same boiling point as 0.25 mol CaCl2 dissolved in 1000 g water?Help Please, Thanks! 0.75 mol sucrose dissolved in 1000 g water 1.0 mol ethylene glycol dissolved in 1000 g water 0.50 mol CaCl2 dissolved in 1000 g water 0.25 mol NaCl dissolved in 1000 g water