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Ronch [10]
2 years ago
11

Which of the following compounds are ionic compounds? Check all of the boxes that apply.

Chemistry
1 answer:
Lady_Fox [76]2 years ago
3 0

Answer:

NaCl is the one of the example of ionic compound because na conducts positive charge and CL conduct negative charge

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A bug travels at the rate of 3 miles/hours. How fast is this in um/nsec
sergij07 [2.7K]
Change units:

1 mile = 1609.34 m = 1609.34 * 10^6 micro m = 1.60934 * 10^9 m

1 hour = 3600 s = 3600 * 10^9 nano seconds = 3.6*10^12 nano sec

3 miles / hour = 3 * 1.60934 * 10^9 / (3.6*10^12) = 0.0013411 micro m/nano second = 1.3411*10^(-3) um / ns

Check it! Best

4 0
3 years ago
Calculate the number of S atoms in 0.670 mole of S.
Novay_Z [31]

Answer:

<h2>4.03 × 10²³ atoms</h2>

Explanation:

The number of S atoms can be found by using the formula

<h3>N = n × L</h3>

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 = 0.67 × 6.02 × 10²³

We have the final answer as

<h3>4.03 × 10²³ atoms</h3>

Hope this helps you

7 0
2 years ago
The diatomic molecule of chlorine, cl2, is held together by a(n)____ covalent bond.
kvasek [131]

Answer : The diatomic molecule of chlorine, Cl₂, is held together by a SINGLE covalent bond.

Covalent Bond :

It is type of chemical bond, which is formed by sharing of electron between atoms . The covalent bond is formed between two non metals . The valance electron are shared to form the bond . The shared electrons are known as BONDING electron pair and the electron pair which do not take part in bonding are known as NON- BONDING electron pair. Example : O₂ , H₂ , H₂O, NH₃ etc .

Formation of covalent bond in Cl₂ :

Chlorine is present in group 17 in p block , It is a non metal .

The electronic configuration of Cl is : 1s² 2s² 2p⁶ 3s² 3p⁵ .

Since the outer shell is n= 3 , which has 7 electrons in it , hence Cl has 7 valence electrons in it .

From electronic configuration , it can be seen that Cl need 1 electron to complete its octet (3s² 3p⁶ ). Hence when two Cl atoms come close they share one-one electron with each other (as shown in image ) .

Now the octet of both the atom are complete and they are in stable state together .

When both Cl atom share one e⁻ , there is a bond formed between Cl atoms . One bond consists of 2⁻ . Hence in Cl₂ SINGLE covalent bond present .

Cl + Cl -> Cl₂

7 0
3 years ago
If a solution turns litmus paper turns red, which type of solution is it?
kari74 [83]

It is a base due to the color change!

Hope this helps!

Mark me brainliest please...

5 0
3 years ago
A 812 g drinking glass is filled with a hot liquid. The liquid transfers 7032 J of energy to the glass. If the temperature of th
JulijaS [17]

Answer:

0.3936 J/gC

Explanation:

using the formula: q=mcΔt

q= 7032J

m=812g

ΔT = 22C

plug in and solve:

7032=(812)(c)(22)

c=7032/(812)(22)

c=0.39 J/gC

7 0
2 years ago
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