What energy is used when you ring a church bell?

In the figure, which two lines appear to be parallel?

Ipatiy [6.2K]

I don’t understand. Is there a picture? Where are the options?

7 0

3 years ago

Polar bears give birth and hunt on sea ice. Which of the following would help polar bears survive during the melting of Arctic i

galina1969 [7]

i think the answer is the second one

4 0

3 years ago

Read 2 more answers

Question 3 (1 point)

antoniya [11.8K]

An electrochemical process involves any process that has to do with the transfer of elecrons.

<h3>What is an elecrochemical process?</h3>

An electrochemical process involves any process that has to do with the transfer of elecrons. These process include redo reactionand electron transport chains.

It is a true statement that the actiivity series helps to detect the products in a reaction because a metal that is lower in the series is always displaced by a metal that is higher in the series.

Learn more about electrochemical processess: brainly.com/question/12034258

6 0

2 years ago

Given the following equation,

VARVARA [1.3K]

Answer:

5 moles

Explanation:

Given data:

Number of moles of HCl = 5 mol

Number of moles of H₂O produced = ?

Solution:

Chemical equation:

HCl + NaOH → NaCl + H₂O

Now we will compare the moles of HCl with H₂O.

HCl : H₂O

1 : 1

5 : 5

5 moles of water will be produced.

7 0

3 years ago

How many moles are in 12 liters of Cl2?

RoseWind [281]

Answer:

$\boxed {\boxed {\sf 0.54 \ mol \ Cl_2}}$

Explanation:

A mole is any quantity of a substance that contains 6.02 × 10²³ particles. At standard temperature and pressure, or STP, 1 mole of as is equal to 22.4 liters. This is true for any gas, regardless of the specific kind.

Although it is not specified, we can assume this gas is at STP. Let's set up a ratio using this information: 22.4 L/mol

$\frac {22.4 \ L \ Cl_2}{1 \ mol \ Cl_2}$