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3 years ago

11

For a fusion reaction to happen, matter needs to be in which of the following states? A. plasma B. liquid C. solid D. gas

1 answer:

Ksivusya [100]3 years ago

3 0

Matter needs to be in a plasma state for fusion to occur.

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g Five calcite, CaCO3 (MW 100.085 g/mol), samples of equal mass have a total mass of 12.3±0.1 g. What is the absolute uncertaint

diamong [38]

Answer:

The value is $L = 0.985 \pm 0.00801 \ g$

Explanation:

From the question we are told that

The molar mass of $CaCO_3$ is $MW = 100.085 \ g/mol$

The total mass is $m_g = 12.3 \ g$

The uncertainty of the total mass is $\Delta g = 0.1$

Generally the molar weight of calcium is $M_c = 40 g/mol$

The percentage of calcium in calcite is mathematically represented as

$C = \frac{40.07}{100.085} * 100$

$C = 40.03 \%$

Generally the mass of each sample is mathematically represented as

$m= \frac{m_g}{5}$

$m= \frac{12.3}{5}$

$m= 2.46 \ g$

Generally mass of calcium present in a single sample is mathematically represented as

$m_c = 2.46 * \frac{40.04}{100}$

$m_c = 0.985 \ g$

The uncertainty of mass of a single sample is mathematically represented as

$k = \frac{\Delta g }{5}$

$k = \frac{0.1 }{5}$

$k = 0.02\ g$

The uncertainty of mass of calcium in a single sample is mathematically represent

$G = \frac{0.02 * 40.04}{ 100}$

$G = 0.00801 \ g$

Generally the average mass of calcium in each sample is

$L = 0.985 \pm 0.00801$

6 0

3 years ago

Best example of potential energy?

nadya68 [22]

Answer:

water stored in a dam

Explanation:

when the water is in dam it is ready to move bit is not moving

6 0

3 years ago

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Object is placed on a triple beam balance, and a student moves the sliders until it is balanced with the pointer resting at the

Sveta_85 [38]

The answer is A I hope this helps :)

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3 years ago

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Explain, in terms of both atoms and molecular structure, why there is no isomer of CH3OH.

Jet001 [13]

Explain, in terms of both atoms and molecular structure, why there is no isomer of CH3OH.

There is no isomer of CH3OH or methanol because it contains only one carbon atom. And also, the structure is tetrahedral, having four substances attached to the carbon atom.

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3 years ago

The moon phase takes about a year to complete.....True or false?

larisa [96]

Answer:

the answer is false and the reason why is because every 29 days it completes one full cycle

Explanation:

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3 years ago