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3 years ago

Jim went for a 3.75 hour run. How many minutes did he run?

1 answer:

5 0

An hour is 60 minutes. So you multiple the hot by 60. You get 180 minutes plus the 75 remaining minutes. The answer is 255

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Which bond does water atom share

Semenov [28]

Answer:

Covalent bonds

Explanation:

A water molecule consists of two atoms of hydrogen linked by covalent bonds to the same atom of oxygen. Atoms of oxygen are electronegative and attract the shared electrons in their covalent bonds.

3 0

3 years ago

How are the O and A horizons similar?

Alex Ar [27]

An A horizon is a mineral horizon, It forms at the surface as topsoil. O horizon turns eventually into topsoil

8 0

3 years ago

Given the equation representing a reaction:H2(g) + I2(g) → 2HI(g)Which statement describes the energy changesthat occur in this

Korvikt [17]

The given question is incorrect, here is a complete question.

Given the equation representing a reaction:

$H_2(g)+I_2(g)\rightarrow 2HI(g)+Energy$

Which statement describes the energy changes that occur in this reaction?

(1) Energy is absorbed as bonds are formed, only.

(2) Energy is released as bonds are broken, only.

(3) Energy is absorbed as bonds are broken, and energy is released as bonds are formed.

(4) Energy is absorbed as bonds are formed, and energy is released as bonds are broken.

Answer : The correct option is, (3) Energy is absorbed as bonds are broken, and energy is released as bonds are formed.

Explanation :

Bond energy : It is defined as the amount of energy required to break a molecules into its component atoms.

At the time of bond formation, the energy is released and at the time of bond breaking, the energy is absorbed.

In the chemical reaction, when the energy is shown in product side that means the energy is released.

In the chemical reaction, when the energy is shown in reactant side that means the energy is absorbed.

Hence, the correct option is, (3)

8 0

3 years ago

Which will reduce the possible environmental damage associated with mining uranium?

blagie [28]

We need to discuss about reduction of possible environmental damage associated with uranium mining.

There are several extraction processes involved in mining uranium as- (i) surface mining, (ii) heap leaching, (iii) underground mining and so on.

There are so many risks involved towards environment and health.

There are some improvements for long term stabilization of Uranium mining have been documented. They are as follows-back-filling and using residues for the construction of motorways, washing of soil with water, carbon treatment inclusion of new materials like room temperature ceramics for the immobilization of various contaminants, de-watering, and land encapsulation.

7 0

3 years ago

Read 2 more answers

How to do limiting reagents for chemistry?

gavmur [86]

Balance the chemical equation for the chemical reaction.
Convert the given information into moles.
Use stoichiometry for each individual reactant to find the mass of product produced.
The reactant that produces a lesser amount of product is the limiting reagent.
The reactant that produces a larger amount of product is the excess reagent.
To find the amount of remaining excess reactant, subtract the mass of excess reagent consumed from the total mass of excess reagent given.

4 0

3 years ago