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3 years ago

On Earth what are two ways in which gamma rays are produced

Chemistry

1 answer:

Xelga [282]3 years ago

3 0

Answer:

On Earth, gamma waves are generated by nuclear explosions, lightning, and the less dramatic activity of radioactive decay.

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How much heat is needed to raise a 0.30 g piece of aluminum from 30.C to 150C? The specific heat of aluminum 0.900j/gC

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Explanation:

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3 years ago

How did the peak of Mt. Everest rise from sea level to 8,848 feet?

Ksju [112]

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The height of Everest. Controversy over the exact elevation of the summit developed because of variations in snow level, gravity deviation, and light refraction. The figure 29,028 feet (8,848 metres), plus or minus a fraction, was established by the Survey of India between 1952 and 1954 and became widely accepted.

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3 years ago

Read 2 more answers

A vessel of volume 100 cm3 contains 0.25 mol o2 and 0.034 mol co2 at 10.0c. Calculate the partial pressure of each component and

Artyom0805 [142]

Answer: The partial pressure of oxygen is 76.56 atm , partial pressure of carbon dioxide is 10.44 atm and the total pressure is 87 atm.

Explanation:

According to the ideal gas equation:'

$PV=nRT$

P = Pressure of the gas = ?

V= Volume of the gas = $100cm^3=0.1L$ $1L=1000cm^3$

T= Temperature of the gas = 10°C = 373 K

R= Gas constant = 0.0821 atmL/K mol

n= moles of gas= 0.25 +0.034 = 0.284 moles

$P=\frac{nRT}{V}=\frac{0.284\times 0.0821\times 373}{0.1}=87atm$

$x_{O_2}$ = mole fraction of oxygen= $\frac{\text {moles of }O_2}{\text {moles of }O_2+\text{moles of }CO_2}=\frac{0.25}{0.25+0.034}=0.88$ ,

$x_{CO_2}$ =mole fraction of carbon dioxide= $\frac{\text {moles of }CO_2}{\text {moles of }O_2+\text{moles of }CO_2}=\frac{0.034}{0.25+0.034}=0.12$

partial pressure of oxygen = $p_{O_2}=x_{O_2}\times P=0.88\times 87=76.56atm$

partial pressure of carbon dioxide= $p_{CO_2}=x_{CO_2}\times P=0.12\times 87=10.44atmatm$

The partial pressure of oxygen is 76.56 atm , partial pressure of carbon dioxide is 10.44 atm and the total pressure is 87 atm.

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3 years ago

Who were the terrorists that attacked the united states on September 11, 2001

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The ones flying the plane

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3 years ago

What element/compound is the most heat resistant and how much can it withstand?

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Carbon and tungsten are the most common heat resistant elements known. Their melting points are approximately 3400 to 3800 degrees Celsius. Ceramic materials as well are known to be heat resistant inorganic solids. Ceramics are made up of metallic and nonmetallic elements.

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4 years ago