Ask question

Ask question

All categories

3 years ago

9

The equation for the chemical reaction shown is not balanced. What number should replace the question mark to balance this equat

ion?
2KBr + ?Pb(NO3)2 → 2KNO3+ PbBr2

A.
The equation is balanced as is.

B.
A 6 is required.

C.
A 3 is required.

D.
A 2 is required.

1 answer:

Fudgin [204]3 years ago

7 0

The equation is balanced as it is.

You might be interested in

What is peer review.why is it important

madam [21]

Acc to

Publisso

Peer review is subjecting the author's scholarly work and research to the scrutiny of other experts in the same field to check its validity and evaluate its suitability for publication.

A peer review helps the publisher decide whether a work should be accepted.

6 0

3 years ago

Read 2 more answers

A railroad car is pulled through the distance of 960 m by a train that did 578 kJ of work during this pull.

Wittaler [7]

Answer:

<h2>602.08 N</h2>

Explanation:

The force supplied by the train can be found by using the formula

$f = \frac{w}{d} \\$

w is the workdone

d is the distance

From the question we have

$f = \frac{578000}{960} \\ = 602.083333...$

We have the final answer as

<h3>602.08 N</h3>

Hope this helps you

7 0

3 years ago

I am thinking of an unreactive nonmetal and Aisha suggested I use bromine. Is this a good choice? Explain your reasoning. If not

galina1969 [7]

G
Jslapa
Bskalapaoa
Dopa kP al

3 0

3 years ago

What is the difference between a 4x100 and a 4x400 relay

qaws [65]

A 4x100 relay is where 4 people run 100 meters and a 4x400 relay is where 4 people run 400 meters

6 0

3 years ago

The isotope of an atom containing 31 protons and 39 neutrons suddenly has two neutrons added to it. What isotope is created?

Over [174]

It's the second one I hope I'm right

4 0

3 years ago

Read 2 more answers