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Nataly_w [17]
2 years ago
12

Why is it important to make measurements using a standard?

Chemistry
1 answer:
ohaa [14]2 years ago
7 0

A standard unit of measurement is a quantifiable language that helps everyone understand the association of the object with the measurement. It is expressed in inches, feet, and pounds, in the United States, and centimeters, meters, and kilograms in the metric system.

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2. How do we identify bias and avoid thinking errors when evaluating online<br><br> information?
skad [1K]

Answer:

We can identify bias and avoid thinking errors when evaluating online information when there is a certain degree of partiality in the way the information is given. The writer takes one side and doesn’t consider benefits of the other side/view.

We can identify bias and avoid thinking errors when evaluating online information by making our personal findings and research from other sources and then comparing the two.

6 0
3 years ago
Which option is an element <br> Carbon dioxide <br> Air<br> Water<br> Carbon
pav-90 [236]

Answer: Carbon is the only element listed. Carbon Dioxide consists of Carbon AND Oxygen x2 so this is a compound. As stated earlier, air is a mixture of compounds. Water is another compound consisting of Hydrogen x2 and Oxygen.

Explanation: pls give brainliest thanks!

8 0
3 years ago
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A sample of ammonia gas occupies 23.6 mL at 527 mm Hg and 24.6oC. If the volume of the gas is changed to 53.9 mL at 56.7oC, what
Yanka [14]

Answer:

The new pressure is 255.6 mmHg

Explanation:

Step 1:Data given

Volume of the ammonia gas = 23.6 mL = 0.0236 L

Pressure of the ammonia gas = 527 mmHg

The temperature is 24.6 °C = 297.75 K

The volume increases to 53.9 mL

The increases to 56.7 °C = 329.85 K

Step 2: Calculate the new pressure

(P1*V1)/T1 = (P2*V2)/T2

⇒with P1 = the initial pressure ofammonia gas = 527 mmHg

⇒with V1 = the initial Volume of ammonia gas = 23.6 mL = 0.0236 L

⇒with T1 = the initial temperature = 297.75 K

⇒with P2 = the new pressure = TO BE DETERMINED

⇒with V2 = the increased volume = 0.0539 L

⇒with T2 = the increased temperature = 329.85 K

527 mmHg * 0.0236 L  / 297.75 K  =  P2* 0.0539 L / 329.85 K

0.04177 = P2* 0.0539 L / 329.85 K

P2 * 0.0539 = 13.778

P2 = 255.6 mmHg

The new pressure is 255.6 mmHg

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3 years ago
Why is NH3 not dried over conc H2SO4 and anhydrous CaCl2 ?​
pentagon [3]

Answer:

coz NH3 reacts with H2SO4 and anhydrous CaCl2.

4 0
3 years ago
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Which is an example of an external cost
mestny [16]
Noise pollution and does not compensate
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3 years ago
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