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yKpoI14uk [10]
3 years ago
12

How would you balance this equation

Chemistry
1 answer:
fredd [130]3 years ago
7 0

Place a 2 in front of the HCl.

This is because the product is yielded to be both H2 and Cl2, diatomic elements. In the reactants side, HCl has no coefficient, but by adding 2, the equation will become balanced.

Hope this helps!

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You are driving down the road at 35 mph. what is your speed in m/s?
Lady_Fox [76]

Answer:

15.64m/s

Explanation:

This is a unit of speed which is the rate of change of distance with time

I am driving at 35mph: and I want to express as m/s

  mph means miles per hour

This suggests that I have to convert miles to m and hrs to secs:

for distance                    1.609km = 1mi

                                        1000m = 1km

for time:

                 1hr = 60minutes

                 1min = 60seconds

Using dimensional analysis:

      \frac{35miles}{1hour} x  \frac{1.609km}{1miles} x  \frac{1000m}{1km} x  \frac{1hour}{60min} x  \frac{1min}{60seconds}

   = 15.64m/s

5 0
3 years ago
Describe reflection, refraction, and absorption.
Sergeeva-Olga [200]

Answer:

Refraction is the bending of a wave when it enters a medium where its speed is different, like going from the air (gas) to a glass of water (liquid). Absorption is when light energy penetrates an object. Typically this energy is then converted to heat.

7 0
3 years ago
CCC Structure and Function Why is the arrangement of the constituent atoms or
ozzi

Since the atoms or molecules in a solid do not translate hence, the structures of solids usually described in terms of the positions  of the constituent atoms rather than their motion.

<h3>States of matter</h3>

There are three state of matter which are;

  • Solid
  • Liquid
  • Gas

In a solid, atoms or molecules retain their positions and do not translate, hence, the structure of atoms or molecules are most important in determining the structure of a solid.

Also, the fact that the atoms or  molecules in a solid can only vibrate or rotate explains why the structures of solids usually described in terms of the positions  of the constituent atoms rather than their motion.

Learn more about the states of matter: brainly.com/question/9402776

8 0
3 years ago
If 335 g water at 35.5C loses 5750 J of heat, what is the final temperature of the water?
White raven [17]

Answer:

The final temperature is  39.58 degree Celsius

Explanation:

As we know

Q = m * c * change in temperature

Specific heat of water (c) = 4.2 joules per gram per Celsius degree

Substituting the given values we get  -

5750 = 335 * 4.2 * (X - 35.5)

X = 39.58 degree Celsius

3 0
3 years ago
How many liters of hydrogen gas are formed from the complete reaction of 1.03 mol of C? Assume that the hydrogen gas is collecte
aliina [53]

Answer:

27 liters of hydrogen gas will be formed

Explanation:

Step 1: Data given

Number of moles C = 1.03 moles

Pressure H2 = 1.0 atm

Temperature = 319 K

Step 2: The balanced equation

C +H20 → CO + H2

Step 3: Calculate moles H2

For 1 mol C we need 1 mol H2O to produce 1 mol CO an 1 mol H2

For 1.03 moles C we'll have 1.03 moles H2

Step 4: Calculate volume H2

p*V = n*R*T

⇒with p = the pressure of the H2 gas = 1.0 atm

⇒with V = the volume of H2 gas = TO BE DETERMINED

⇒with n = the number of moles H2 gas = 1.03 moles

⇒with R = the gas constant = 0.08206 L*Atm/mol*K

⇒with T = the temperature = 319 K

V = (n*R*T)/p

V = (1.03 * 0.08206 *319) / 1

V = 27 L

27 liters of hydrogen gas will be formed

8 0
3 years ago
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