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3 years ago

Two of the substances in part 1 are ionic. which factors will result in a stronger ionic bond overall?

2 answers:

4 0

Greater absolute charge
- This is because ionic bond results from stronger electrostatic forces of attraction.
- The higher the value of charges q₁ and q₂ the stronger will be the ionic bond.

Alik [6]3 years ago

3 0

Answer:

The ionic radius and the charges of the ions.

Explanation:

The strength of an ionic bond depends on the ionic radius and the charges of the ions. With an increase in radius, there would be increase in the number if protons and this will also make the inner shells to be more complete. The smaller the radius the stronger the bond. In addition, the higher the number of electron lost, the more stronger the ionic bond.

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A car traveling at a constant speed travels 175 miles in four hours. How many minutes will it take for the car to travel 1000 fe

elena-14-01-66 [18.8K]

It takes 0.26 minutes to travel 1000 feet

Solution:

Given that car traveling at a constant speed travels 175 miles in four hours

Distance = 175 miles

Time taken = 4 hours

Convert the units to feet and minute

Given that,

1 mile = 5280 feet

175 miles = 5280 x 175 feet = 918720 feet

Also we know that,

1 hour = 60 minutes

4 hours = 60 x 4 minutes = 240 minutes

Thus, we got,

Distance = 918720 feet

Time taken = 240 minutes

Find the speed of car

Speed is given by formula:

$speed = \frac{distance}{time}$

$speed = \frac{918720}{240} = 3828$

Thus speed of car is 3828 feet per minute

How many minutes will it take for the car to travel 1000 feet?

Let "x" be the minutes needed for 1000 feet

speed of car is 3828 feet per minute

1 minute = 3828 feet

x minute = 1000 feet

This forms a proportion. We can solve by cross multiplying

$x \times 3828 = 1000 \times 1\\\\x = \frac{1000}{3828}\\\\x = 0.26$

Thus it takes 0.26 minutes to travel 1000 feet

7 0

3 years ago

Gold alloys are _____.

chubhunter [2.5K]

Gold alloys consist of most commonly Nickel!
Most commonly used in things like jewelry so it doesn't have such a heavy weight.

7 0

2 years ago

Five pulses are generated every 0.112 s in a tank of water. What is the speed of propagation of the wave if the wavelength of th

DedPeter [7]

Answer:

The answer to the question is

The wave speed is 53.57 cm/s

Explanation:

The speed of a wave is the distance covered by the wave per unit time.

Wave speed is given by

v = f×λ

where v = The velocity of the wave

f = The wave frequency

λ = The wavelength of the wave

the speed v of the wave can also be expressed interms of the period as

v = λ/T

The freuency of the given wave is f = 5/(0.112 s) = 44.64 Hz and the wavelength is λ = 1.20 cm

Therefore the speed of the wave = 44.64 Hz × 1.20 cm = 53.57 cm/s

8 0

3 years ago

2. What is the change in the atomic number when an atom emits an alpha particle? (1 point)

lesantik [10]

it is decreased by 2

5 0

3 years ago

Which of the following is converted into chemical energy during photosynthesis?

castortr0y [4]

Photosynthesis is commonly understood as converting light energy to chemical energy. So, C would be the correct answer.

6 0

3 years ago