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iogann1982 [59]
3 years ago
10

What is an isotope ​

Chemistry
2 answers:
AfilCa [17]3 years ago
8 0
Isotope, one of two or more species of atoms of a chemical element with the same atomic number and position in the periodic table and nearly identical chemical behaviour but with different atomic masses and physical properties.
Andrews [41]3 years ago
5 0

Answer:

each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.

Explanation:

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The gas inside a balloon exerts a pressure of 3atm at 298 K. What is the temperature required to increase the pressure to 6 atm?
podryga [215]

Answer: 596 atm

Explanation:

Given that,

Original pressure of balloon P1 = 3atm

Original temperature of balloon T1 = 298K

New pressure of balloon P2 = 6atm

New temperature of balloon T2 = ?

Since pressure and temperature are given while volume is constant, apply the formula for Pressure law

P1/T1 = P2/T2

3 atm / 298K = 6 atm / T2

To get the value of T2, cross multiply

3 atm x T2 = 6 atm x 298K

3 atmT2 = 1788 atmK

Divide both sides by 3 atm

3 atmT2 / 3 atm = 1788 atmK / 3 atm

T2 = 596 atm

Thus, a temperature of 596 atmospheres is required to increase the pressure to 6 atm.

7 0
3 years ago
What is name of first man made element?
Aleonysh [2.5K]
The first man-made element or artificial element which is produced because it is not found naturally in nature is Technicium, in 1937. Technicium has an atomic number of 43 and atomic mass of 98 g/mol.
4 0
3 years ago
HOW TO DO THIS QUESTION PLEASE ​
arlik [135]
Step 1: Specify the Null Hypothesis. ...
Step 2: Specify the Alternative Hypothesis. ...
Step 3: Set the Significance Level (a) ...
Step 4: Calculate the Test Statistic and Corresponding P-Value. ...
Step 5: Drawing a Conclusion.
5 0
3 years ago
Explain how you would calculate how many seconds old you are. What conversion factors would you use?
Stella [2.4K]
I would convert my years of age to months, to days, to hours to minutes and finally to seconds. By knowing these facts:
365 days = 1 years
1 day = 24 hours
1 hour = 60 minutes
1 minute = seconds

I would be able to solve it.
7 0
3 years ago
The diagram below shows an electromagnet. Using your scientific knowledge, state the device that is used to measure the potentia
weeeeeb [17]

Voltmeter is the device that is used to measure the potential difference across the battery.

<h2>What are the usage of voltmeter?</h2><h3 /><h3>Usage of Voltmeter</h3>

Voltmeter is an instrument that measures voltages of both direct and alternating electric current. On a scale of voltmeter usually graduated in volts, millivolts (0.001 volt), or kilovolts (1,000 volts).

Voltmeter is connected in parallel form. It has a high resistance so that it takes negligible current from the circuit so we can conclude that Voltmeter is the device that is used to measure the potential difference across the battery.

8 0
3 years ago
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