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max2010maxim [7]
3 years ago
11

Which of the following has the LOWEST electronegativity? A) As B) N C) BI D) P

Chemistry
1 answer:
ohaa [14]3 years ago
4 0
N just use a electronegativity table
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a sample of a substance has a density of 1.75 g/cm3 and a mass of 14.7 g. What volume does the sample occupy?
Zigmanuir [339]

The volume occupied by the sample is 8.4 cm³

<h3>What is density?</h3>

The density is the ratio of mass of the object to its volume.

Given is the mass m =14.7 g and the density is 1.75 g/cm³, then the volume will be

ρ = m/ V

V =m /ρ

Substitute the values, we get

V = 14.7 /1.75

V = 8.4 cm³

Thus, the volume of the sample is  8.4 cm³.

Learn more about density.

brainly.com/question/15164682

#SPJ1

7 0
3 years ago
Which of the following molecules has the same empirical formula as glucose (C6H1206)
timama [110]

Answer:

ethanoic acid

Explanation:

as it also contains carbon dioxide water and oxygen as glucose

hope it helps you

please mark me as brainlist

4 0
3 years ago
Read 2 more answers
A family is traveling south to Florida for a 5 day Disney vacation. The are traveling 105 km per hour during the trip. Is this a
zubka84 [21]

Answer:

Velocity, because it has both magnitude and direction.  

Step-by-step explanation:

Velocity is the rate at which an object changes position in a specific direction. It has both magnitude and direction.

The family is travelling south at 105 km/h. This is an example of velocity, because it has magnitude (105 km/h) and direction (south).


3 0
3 years ago
Write the formula and name of the compound formed from the following ionic interactions:
Ainat [17]

Answer:

Explanation:

a ) period 4 noble gas is krypton

isoelectronic with it are Sr ⁺² and Br⁻

compound is SrBr₂

b ) Period 3 noble gas is Argon

isoelectronic with it are Mg⁺² and O⁻²

compound is MgO

c)  2+ ion is the smallest with a filled d subshell is Zn⁺² , smallest halogen

is F⁻

compound is ZnF₂

d )   ions  from the largest and smallest ionizable atoms in Period 2

Li⁺ and  F⁻

compound is LiF

8 0
3 years ago
the pressure on 2.50L of N20 changes from 105 kPa to 40.5 kPa. if the temperature does not change, what will the new volume be.
tresset_1 [31]

Answer:

6.48L

Explanation:

Given parameters:

V₁ = 2.5L

P₁  = 105 kPa

P₂  =  40.5 kPa

Condition: constant temperature

Unknown:

V₂  = ?

Solution:

To solve this problem, we are considering pressure and volume relationship. This should be solved by applying the knowledge of Boyle's law.

The law states that "The volume of fixed mass of a gas varies inversely as the pressure changes if the temperature is constant".

Mathematically;

                     P₁V₁  = P₂V₂

where P and V are pressure and volume, 1 and 2 represents initial and final states.

Substitute to find the V₂;

                  105 x 2.5  = 40.5 x  V₂

        Solving for V₂ gives 6.48L

6 0
3 years ago
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