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lisabon 2012 [21]
3 years ago
11

What is wrong with the chemical reaction written below?

Chemistry
1 answer:
REY [17]3 years ago
3 0

Answer:

b) The mass of your total product is greater than your total reactants

Explanation:

Mass of reactants is 20 and product is 25 which never occurrs in real

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Which particles in atoms have a negative electric charge?
Verdich [7]

Answer:

Electrons

Explanation:

Atoms both have negative and positive particles

Protons are positive

Electrons are negative

Neutrons are neutral

Nuclei is where you find both neutrons and protons in an atom

6 0
4 years ago
Bonds payable to whomever holds them are called _____ bonds or unregistered bonds.
Hatshy [7]

Bonds payable to whomever holds them are called bearer bonds or unregistered bonds.

<h3>What is bearer bond ?</h3>

Bonds that have no registered owners are known as bearer bonds. Instead, the bond is owned by whoever "bears" (or has possession of) it. Bearer bonds, sometimes known as coupons, have coupons that bondholders can detach and present to receive interest payments.

<h3>What are interest payments ?</h3>

An interest rate is the amount of interest that is payable each period stated as a percentage of the amount that was lent, deposited, or borrowed. The principal amount, interest rate, frequency of compounding, and duration of the loan, deposit, or borrowing determine the total amount of interest on a sum that was lent or borrowed.

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7 0
2 years ago
3. A light bulb containing argon gas is switched on,
Readme [11.4K]

Answer:

The assumption is quite reasonable.........

A lightbulb contains Ar gas at a temperature of 295K and at a pressure of 75kPa. The light bulb is switched on, and after 30 minutes its temperature is 418 K. What is a numerical setup for calculating the pressure of the gas inside the light bulb at 418K?

Explanation:

P

1

T

1

=

P

2

T

2

given constant

n

, and constant

V

, conditions that certainly obtain with a fixed volume light bulb.

And so

P

2

=

P

1

T

1

×

T

2

=

75

⋅

k

P

a

295

⋅

K

×

418

⋅

K

≅

100

⋅

k

P

a

.

Had the light bulb been sealed at normal pressure during its manufacture, what do you think might occur when it is operated?

5 0
3 years ago
In the coal-gasification process, carbon monoxide is converted to carbon dioxide via the following reaction: CO (g) H2O (g) CO2
jolli1 [7]

Answer: K_{eq} at  the temperature of the experiment is 0.56.

Explanation:

Moles of  CO = 0.35 mole

Moles of  H_2O = 0.40 mole

Volume of solution = 1.00 L

Initial concentration of CO = \frac{0.35mol}{1.00L}=0.35M

Initial concentration of H_2O = \frac{0.40mol}{1.00L}=0.40M

Equilibrium concentration of CO = \frac{0.19mol}{1.00L}=0.19M

The given balanced equilibrium reaction is,

                      CO(g)+H_2O(g)\rightleftharpoons CO_2(g)+H_2(g)

Initial conc.          0.35 M         0.40 M                  0 M        0M

    At eqm. conc.     (0.35-x) M   (0.40-x) M   (x) M      (x) M

Given:  (0.35-x) = 0.19

x= 0.16 M

The expression for equilibrium constant for this reaction will be,

K_{eq}=\frac{[CO_2]\times [H_2]}{[CO]\times [H_2O]}  

Now put all the given values in this expression, we get :

K_{eq}=\frac{0.16\times 0.16}{(0.35-0.16)\times (0.40-0.16)}

K_{eq}=\frac{0.16\times 0.16}{(0.19)\times (0.24)}=0.56

Thus K_{eq} at  the temperature of the experiment is 0.56.

3 0
3 years ago
Question<br> 2. What is the contour interval? (Remember: The unit for this map is feet.)
lukranit [14]

Answer:

400 ft

Explanation:

3 0
4 years ago
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