If a chemical is completely consumed in a chemical reaction, what is the substance?

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Answer 1

Answer: Is a process in which One set of substances, called REACTANTS, is converted to a new set of substances is called PRODUCTS.

--In other words, a chemical reaction is the process by which a chemical change occurs.

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A soccer ball is kicked straight upwards with an initial vertical speed of 8.0 m/s. We can ignore air resistance. How long does it take the ball to have a downwards speed of 4.0 m/s?
Need help on science please!

Can someone help me with number 3?

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The 5th blank line is plants and the 6th blank line is environment. The rest I don't know either.

Tectonic plates are large segments of the earth's crust that move slowly. Suppose one such plate has an average speed of 6.0 cm per year.(a) What distance does it move in 25 seconds at this speed?
What's the formula for this problem?

Answers

For this problem, we use the following expression:

Speed = distance / time

Distance = Speed * time

Since the problem tells us the speed of the plates, we know that

Speed_plates = 6.0 cm/year

Which is equal to

Speed_plates = 6.0 cm/365 days = 6.0 cm/(365*24 hours)

Speed_plates = 6.0 cm/(365*24*60 minutes)

Speed_plates = 6.0 cm/(365*24*60*60 seconds)

Speed_plates = 190.258 E -9 cm / s

We multiply by 25, to get the distance traveled after 25 seconds

Distance traveled = 4.756 E-6 cm

If a car can go from 0 to 60 mi/hr in 8.0 seconds, what would be its final speed after 5.0 seconds if its starting speed were 50 mi/hr?

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$a= (V)/(t) \ \ \ \Rightarrow\ \ a= (60\ [mi/hr])/(8\ [s]) \n \nthe\ final\ speed\ after\ 5.0\ seconds\n \nV=50\ [mi/hr]+5\ [s]\ \cdot (60\ [mi/hr])/(8\ [s])=50\ [mi/hr] + (5)/(8) \cdot 60\ [mi/hr]=\n \n=50\ [mi/hr]+37.5\ [mi/hr]=87.5\ [mi/hr]$

$v_1=60\ (mi)/(h)\n\nt_1=8.0\ s=(8)/(3600)\ h=(1)/(450)\ h\n--------------\na=(v)/(t)\n\na=(60)/((1)/(450))\ (mi)/(h^2)=27000\ (mi)/(h^2)\n--------------\nv_o=50\ (mi)/(h)\n\nt=5.0\ s=(5)/(3600)\ h=(1)/(720)\ h\n--------------$

$v=v_o+at\n\n\nv=50\ (mi)/(h)+27000\ (mi)/(h^2)\cdot(1)/(720)\ h=50\ (mi)/(h)+37.5\ (mi)/(h)=87.5\ (mi)/(h)\leftarrow Answer$

What process, driven by heat generated from within the Earth's core, occurs in the mantle and is a primary cause of plate tectonics?A.faulting
B.mantle convection
C.subduction
D.trench formation

Answers

Answer:

The correct option is (B)mantle convection

Explanation:

Tectonic plates at the earth's surface move because of the intense heat in the Earth's core. this heat causes molten rock in the mantle layer to move. It moves in a pattern called a convection cell and producing a movement called mantle convection which is the slow creeping motion of Earth's solid silicate.

The answer is B. Mantle convection.

Can magnets pick up all kinds of materials?

Answers

Well it depends it has to be some kind of metal material if not then it will not pick it up Hope this helps:)

In a solution, the substance that does the dissolving is called Blank Space __________.solute

solvent

saturated

precipitate

Answers

The answer is Solvent. The reason is in the wording, 'the substance that does the dissolving.' A solvent does the dissolving, a solute is something that can be dissolved.

Answer:

solvent

Explanation:

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