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Anuta_ua [19.1K]
3 years ago
9

Help please answer show proof

Chemistry
1 answer:
slavikrds [6]3 years ago
5 0

Answer:

d or c

Explanation:

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The reaction 2Fe + 3Br2 ———> 2FeBr3 is an example of which type of reaction
azamat

Answer: combination reaction

Explanation: combination or synthesis reaction where A +B will form AB

6 0
3 years ago
For the substituted cyclohexane compound given below, highlight the groups – by clicking on atoms – that will sterically interac
Usimov [2.4K]

Answer:

            In given structure of substituted cyclohexane select the "Bromine" atom as the answer.

Explanation:

1,3-Diaxial Interactions:

                                     As cleared from name, this type of interactions are found in cyclic alkanes in which one group present at position 1 (assumed number) experiences steric hindrance due to another group present at position 3.

                                  Also, it is necessary that both the groups must be occupying either axial or equatorial positions respectively. For example, in given structure the methyl group at position 1 is at axial position and another bulky group which should interact with this methyl group must occupy axial position at carbon 3 next to carbon 1. Hence, as shown in figure, the Bromine atom is present at third carbon and is at axial position too.

                                    In attached picture, the green lines indicate steric interactions between Methyl group and Bromine atoms which are involved in steric interactions in 1,3-diaxial fashion.

8 0
4 years ago
Read 2 more answers
A chlorine atom in its ground state has a total of seven electrons in orbitals related to the atoms third energy level. how many
kiruha [24]
<span>5 electrons

</span>The electron configuration of an atom shows or describes the distribution of electrons in their atomic orbitals. In particular, it shows the distribution in terms of the principal energy levels or electron shells (reflected by the numbers 1, 2, 3, 4, 5, 6, 7) and their corresponding subshells (reflected by the letters s,p,d,f,g) composed of atomic orbitals. 

The maximum number of electrons in the s-subshell is 2, in the p-subshell, 6, in the d-subshell, 10, in the f-subshell, 14, and in the g-subshell, 18. In the electron configuration of an atom, the number of electrons in the subshell for a given atom is reflected by a number (in superscript) next to the corresponding letter of the subshell. 
 
<span>The electron configuration of a chlorine atom in its ground state is 
</span>1s^{2}2s^{2}2p^{6}3s^{2}3p^{5}

Thus, the number of electrons in the 3rd energy level in the p-subshell is 5 (3p^{5} as seen in the electron configuration of the atom). 
7 0
3 years ago
An element X exists in three forms A, B and C in the ratio 1:2:3. If C has 10 protonsand the number of neutrons in A, B and C ar
Strike441 [17]

x21 +ANSWER

(i) Ne-22

(ii)1s2s22p6

(iii)21.3

An element X exists in three forms A, B and C in the ratio 1:2:3. If C has 10 protons and the number of neutrons in A, B and C are 10, 11 and 12 respectively,Give the following:(i) Representation of form C of the element X(ii) Electronic configuration of form B of the element(iii) Calculate the average atomic mass.

(i)C  has 10 protons and 12 neutrons so a mass of 10 +12 =22

element 10 is Neon (Ne) so this isotope is Ne-22

(ii) they all have the sane atomic number so the same number of electrons

with an electronic structure of 1s2s22p6

(iii) A weighs 20, B weighs 21, C weighs 22

the ratio is 1:2:3

weighted average weight is therefor

(1X20 +2X21 +3X22)/6 =21.3

4 0
3 years ago
How do you compare the nuclear membrane and the cell membrane?
iragen [17]
A. Both the cell membrane and the nuclear membrane are protective coverings.
5 0
3 years ago
Read 2 more answers
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