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3 years ago

What is the ph of ammonia

Physics

2 answers:

aivan3 [116]3 years ago

5 0

Answer:

Ammonia is a weak base with a standard pH level of about 11.

Explanation:

nignag [31]3 years ago

4 0

A standard ph would have to be 11

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A snail can crawl 160cm at an avg speed of 4cm/min. If it crawled at an avg speed of 5cm/min instead, how much sooner would it t

mihalych1998 [28]

Answer:

8 minutes sooner

Explanation:

Average speed of snail= 4cm/min

Distance to be covered = 160cm

Time taken for the journey = distance/speed

Time taken for the journey = 160/4

Time taken for the journey = 40 min

If it crawed an average speed of 5cm/min

Distance = 160 cm

Time for the journey = distance/speed

Time for the journey = 160/5

Time for the journey = 32 min

Its going to take the snail 40 min - 32 min to Kno how sooner it will taje it if the average speed is 5cm/min

40 min - 32 min = 8 min

7 0

4 years ago

I NEED HELLLPPP

adell [148]

I think its A , it makes the most sense

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3 years ago

Read 2 more answers

What is the maximum frictional force in the knee joint of a person who supports 76. 0 kg of her mass on that knee?

Bad White [126]

The maximum frictional force in the knee joint of a person who supports 76. 0 kg of her mass on that knee 119.28N.

Given,

m=76kg, μ=0.16, g=9.81 m/ $s^{2}$

frictional force = mμg= 76*0.16*9.81= 119.28 N

<h3>Frictional force</h3>

An opposing force to the relative motion of two bodies in contact is known as frictional force. Always acting in the opposite direction from the direction of motion, frictional force is applied to a moving body. Because it resists motion, it aids in lowering the moving object's speed. The force is one of touch. Four broad categories can be made for the force of friction depending on the sort of motion that occurs between the two objects. Static friction is the force of friction between an object and the surface it is put on.

What is the maximum frictional force in the knee joint of a person who supports 76. 0 kg of her mass on that knee?

Learn more about frictional force here:

brainly.com/question/13707283

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2 years ago

You decide to travel by car for your holiday visits this year. You leave early in the morning to avoid congestion on the roads.

Bond [772]

Answer:

$d_t=266.918\ miles$ is the total distance of the trip travelled.

$s_{avg}=54.7895\ mph$ is the average speed of the journey

Explanation:

Given:

duration of first interval, $t_1=3.22\ hr$

speed during the first interval, $v_1=65.9\ mph$

duration of stoppage, $t_0=42.1\ min=0.7017\ hr$

duration of second interval, $t_2=0.95\ hr$

speed during second interval, $v_2=57.6\ mph$

<u>Now the total distance travelled:</u>

$\rm distance=speed\times time$

$d_t=v_2.t_2+v_1.t_1$

$d_t=57.6\times 0.95+65.9\times 3.22$

$d_t=266.918\ miles$

<u>The average speed:</u>

$\rm speed_{avg}=\frac{total\ distance}{total\ time\ taken}$

$s_{avg}=\frac{d_t}{(t_0+t_1+t_2)}$

$s_{avg}=\frac{266.918}{(0.7017+3.22+0.95)}$

$s_{avg}=54.7895\ mph$

4 0

4 years ago

In gases heat is transferred by?

Sedaia [141]

Answer:

Convection

Convection transfers heat energy through gases and liquids. As air is heated, the particles gain heat energy allowing them to move faster and further apart, carrying the heat energy with them. Warm air is less dense than cold air and will rise.

4 0

3 years ago