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3 years ago

When hydrogen chloride is added to sodium hydroxide, it will produce water and what?

Physics

2 answers:

sveticcg [70]3 years ago

7 0

It will produce water and salt, as they are an acid and a base so a neutralization reaction will take place.

Hope it helps..

IRINA_888 [86]3 years ago

3 0

Answer: HCl+H2O→H3O++Cl- Hydrochloric acid in water increases the concentration of H3O+ ions and is therefore an acid. NaOH+H2O→Na++OH- Sodium hydroxide in water increases the concentration of OH- ions and is therefore a base.

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The driver of a car traveling at 30.5 m/s slams on the brakes so that the car undergoes a constant acceleration, skidding to a c

dolphi86 [110]

Answer:

-6.8 m/s²

Explanation:

Given:

v₀ = 30.5 m/s

v = 0 m/s

t = 4.5 s

Find: a

a = (v − v₀) / t

a = (0 m/s − 30.5 m/s) / 4.5 s

a = -6.8 m/s²

4 0

3 years ago

True or false gravity is a force

mezya [45]

The answer is true because the invention ofthe beto

4 0

3 years ago

Which of the following is a TRUE statement about the differences between electromagnetic and mechanical waves?

Butoxors [25]

' D ' is the only correct statement on the list.

Electromagnetic waves are capable of traveling through

many substances, and they're also capable of traveling

through vacuum. Mechanical waves can't travel in vacuum.

8 0

3 years ago

Read 2 more answers

HELP ;

mestny [16]

Answer:

The frequency would double.

Explanation:

Given:

Speed of wave (v) = constant.

Frequency of wave initially (f₁) = 2 Hz

Initial wavelength of the wave (λ₁) = 1 m

Final wavelength of the wave (λ₂) = 0.5 m

Final frequency of the wave (f₂) = ?

We know that the product of wavelength and frequency of the wave is equal to the speed of the wave.

Therefore, framing in equation form, we have:

Wavelength × Frequency = Speed

$\lambda\times f=v$

It is given that speed of the wave remains the same. So, the product must always be a constant.

Therefore,

$\lambda\times f=constant\ or\ \\\lambda_1\times f_1=\lambda_2\times f_2$

Now, plug in the given values and solve for 'f₂'. This gives,

$1\times 2=0.5\times f_2\\\\f_2=\frac{2}{0.5}=4\ Hz$

Therefore, the final frequency is 4 Hz which is double of the initial frequency.

f₂ = 2f₁ = 2 × 2 = 4 Hz

So, the second option is correct.

7 0

3 years ago

Read 2 more answers

Be sure to answer all parts. Assume the diameter of a neutral helium atom is 1.40 × 102 pm. Suppose that we could line up helium

ss7ja [257]

Answer:

The number of atoms are $1.86\times10^{8}$ .

Explanation:

Given that,

Diameter $D = 1.40\times10^{2}\ pm$

$D=1.40\times10^{2}\times10^{-12}\ m$

Distance = 2.60 cm

We calculate the number of atoms

Using formula of numbers of atoms

$Number\ of\ atoms =\dfrac{2.60\times10^{-2}}{1.40\times10^{2}\times10^{-12}}$

$Number\of\atoms =1.86\times10^{8}$

Hence, The number of atoms are $1.86\times10^{8}$ .

8 0

3 years ago