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SOVA2 [1]
3 years ago
12

Describe in detail how you would determine the density of a potato that is too large to fit into a graduated cylinder. (Hint: Th

is question wants you to find a different way to measure density than using the volume of the entire potato.)
Chemistry
1 answer:
Mnenie [13.5K]3 years ago
7 0

Answer:

The density of a potato is \dfrac{M}{V'}

Explanation:

Given that,

A potato that is too large to fit into a graduated cylinder.

Let us consider the mass of potato is M and volume of entire potato is V'.

The volume of water is V.

We know that,

Density :

The density is equal to the mass divided by volume.

In mathematically,

\rho=\dfrac{m}{V}

Where, m = mass

V = volume

We need to calculate the volume of potato

Using formula for volume

V'=V''-V

Where, V' = volume of potato

V''=Volume of combine water and potato

V = volume of water

We need to determine the density of a potato

Using  formula of density

Density\ of\ potato=\dfrac{Mass\ of\ potato}{volume\ of\ entire\ potato}

Put the value into the formula

\rho=\dfrac{M}{V'}

Hence, The density of a potato is \dfrac{M}{V'}

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Can the ratio of hydrogen to oxygen change if a solute is dissolved in the water
coldgirl [10]

Answer:

Water molecules feature the combinations of hydrogen and oxygen atoms in a 2:1 ratio. Since they are present in a fixed ratio of mass, water molecules obey the law of constant proportions. Water is formed when two molecules of the diatomic hydrogen gas, combine with one molecule of the diatomic oxygen gas to produce two molecules of water

4 0
3 years ago
Draw the product that is formed when the compound shown below is treated with an excess of hydrogen gas and a platinum catalyst.
loris [4]
<span>When the hexene is treated with an excess of hydrogen gas and a platinum catalyst, the product formed is hexane.

Hexene is an unsaturated hydrocarbon. Hexene when treated with H2 gas, in presence with Pt catalyst, the double bond is broken. This results in generation of saturated hydrocarbon i.e. hexane. </span>

5 0
3 years ago
Which of the following is the valence elec- tronic structure for a halogen? 1. n s1 2. n s2 3. n s2 n d10 4. n s2 n p5 5. n s2 n
Arturiano [62]

Answer: option 4. ns² np⁵

Explanation:

The <em>valence electronic structure</em> of the compounds is the distribution of the valence electrons, i.e. the outermost electrons of the atoms.

The distribution of the electrons in the atomic orbitals is named electron configuration.

Each element has a proper electron configuration which is determined according to a series of rules: lowest orbital energy, Pauli's exclusion principle and Hund's rule.

The valence electronic structure of the atoms is related with the period (column of the periodic table) to which the element belongs.

Each period has a characteristic <em>valence structure</em> (number and location of the outermost electrons). It is this structure what conferes the elements of a same period (column in the periodic table) their similar chemical properties.

This table summarizes the <em>valence eletronic structure </em>of the representative elements:

<u>Period (column)    name         number of valence eletrons    Structure</u>

1                        Alkali metals                             1                             ns¹

2                       Alkaline earth metals               2                            ns²

13                                                                        3                            ns² np¹

14                                                                        4                            ns² np²                                          

15                      Pnictogens                               5                             ns² np³                                                                                        

16                      Chalcogens                              6                             ns² np⁴

17                      Halogens                                  7                             ns² np⁵

18                      Noble gases                             8                            ns² np⁶

There you can see that the <em>halogens</em> belong to the period 17, have 7 valence electrons, and their<em> valence electrons are have the structure ns² np⁵.</em>

This is the specific valence electronic structure for the first five halogens:

<u>Halogen      atomic number      row (n)   period   valence electronic structure</u>

Fluor               9                             2            15                  2s² 2p⁵

Chlorine        17                             3            15                  3s² 3p⁵

Bromine        35                            4            15                  4s² 4p⁵

Iodine            53                            5            15                  5s² 5p⁵

Astatine        85                            6             15                 6s² 6p⁵

There you see the common <em>structre ns² np⁵.</em>

8 0
4 years ago
What is the molar mass of F^2​
amm1812

F2 means that there are two flourine's usually a gas is a diatomic molecule.

Since a fluorine molecule has an atomic mass of 18.998 that molar mass of F2 would be 18.9998 *2 = 37.996 except in molar mass the units change so instead of being g/mol it would just be grams.

so 37.996 grams

hope this helps!

(:

8 0
3 years ago
Is climate the same as weather?
Natasha_Volkova [10]

No they are not, as climate is long term conditions for an area while weather is temporary

8 0
3 years ago
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