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kondaur [170]
2 years ago
14

What is likely to happen if we can't control our experiment properly? A. Our hypothesis will have to be changed. B. We will need

to do other experiments and collect more data. C. Our hypothesis will be well-supported by the data we collect. D. We will have to make more inferences instead of collecting data.
Chemistry
2 answers:
REY [17]2 years ago
4 0
The answer to your question
is b 
katovenus [111]2 years ago
4 0

Answer:

The answer is <u><em>letter D</em></u>

Explanation:

It is the only one that makes sense, i dont have a proper explanation unfortunately, its just guts. sorry, this probably wont help, but i tried agaga

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New substances are produced by a(n)<br> change.
Orlov [11]

Answer:

New substances are produced by a chemical change

8 0
2 years ago
Read 2 more answers
What type of cryptography uses two keys instead of just one, generating both a private and a public key?
Alexxx [7]

Answer:

It is known as asymmetric key cryptography it is also called public key cryptography.

Explanation:

Asymmetric key cryptography method makes use of two keys.One is used for encryption and the second one for decryption. The public key serves to encrypt plain text or verify a digital signature, while the private key is used to decrypt or decipher the encrypted text or to create a digital signature.

3 0
2 years ago
A sample of hydrogen gas will behave most like an ideal gas under conditions of?
fenix001 [56]
Conditions:
Low pressure and low temperature
Low pressure and high temperature
High pressure and low temperature
High pressure and high temperature
6 0
2 years ago
How would I draw this? Thank you in advance!<br> (Z)-4-chloro-3-methylhept-2-ene
Savatey [412]

Answer:

In the attached photo.

Explanation:

Hello,

You could find the structure in the attached photo, taking into account that the initial (Z) resembles to the trans arrangement for this alkene.

Best regards.

3 0
3 years ago
A flask contains 6g hydrogen gas and 64 g oxygen at rtp the partial pressure of hydrogen gas in the flask of the total pressure
Alex

Answer:

B.3/5p

Explanation:

For this question, we have to remember <u>"Dalton's Law of Partial Pressures"</u>. This law says that the pressure of the mixture would be equal to the sum of the partial pressure of each gas.

Additionally, we have a <em>proportional relationship between moles and pressure</em>. In other words, more moles indicate more pressure and vice-versa.

P_i=P_t_o_t_a_l*X_i

Where:

P_i=Partial pressure

P_t_o_t_a_l=Total pressure

X_i=mole fraction

With this in mind, we can work with the moles of each compound if we want to analyze the pressure. With the molar mass of each compound we can calculate the moles:

<u>moles of hydrogen gas</u>

The molar mass of hydrogen gas (H_2) is 2 g/mol, so:

6g~H_2\frac{1~mol~H_2}{2~g~H_2}=~3~mol~H_2

<u>moles of oxygen gas</u>

The molar mass of oxygen gas (O_2) is 32 g/mol, so:

64g~H_2\frac{1~mol~H_2}{32~g~H_2}=~2~mol~O_2

Now, total moles are:

Total moles = 2 + 3 = 5

With this value, we can write the partial pressure expression for each gas:

P_H_2=\frac{3}{5}*P_t_o_t_a_l

P_O_2=\frac{2}{5}*P_t_o_t_a_l

So, the answer would be <u>3/5P</u>.

I hope it helps!

5 0
3 years ago
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