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Elina [12.6K]
3 years ago
8

¿En qué condiciones puede decir que el oro es un líquido? 15 points

Chemistry
1 answer:
11111nata11111 [884]3 years ago
4 0

El oro solido se derrite y convierte en liquido a la temperatura de 1,948°F o de 1064.444°C. A esa temperatura o mas se condera liquido el oro

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How many grams are in 3.45 moles of CO2?<br>​
yan [13]

Answer:

The weight of 3.45 moles of carbon dioxide has been 151.8 grams.

Moles can be calculated as the mass of solute present with respect to the molecular mass of the solute.

Moles can be expressed as:

Moles = \rm \dfrac{weight}{molecular\;weight}

molecularweight

weight

The molecular weight of carbon dioxide has been 44 grams/mol.

The given moles of carbon dioxide = 3.45 moles.

3.45 mol = \rm \dfrac{weight}{44\;g/mol}

44g/mol

weight

Weight of carbon dioxide = 3.45 \times× 44 grams

Weight of carbon dioxide = 151.8 grams.

The weight of 3.45 moles of carbon dioxide has been 151.8 grams.

7 0
2 years ago
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What is the answer do this?
Travka [436]

Answer:

good luvkt,h

Explanation:jtyjty

8 0
3 years ago
The nutritional information on a cereal box shows that one serving of dry cereal has 90 calories (actually kilocalories). If one
umka2103 [35]

Answer:

90 °C

Explanation:

First, we must know the specific heat capacity of water, which is defined as the energy required to heat 1 gram of water by one degree Celsius. The specific heat capacity of water is 1 cal·g⁻¹°C⁻¹.

The equation we will use is Q = mcΔt, where Q is the heat energy, m is the mass, c is the specific heat capacity, and Δt is the temperature change. We will rearrange the equation to solve for Δt and substitute the values:

Δt = Q / (mc) = (90 kcal)(1000 cal/kcal) / (1 kg)(1000 g/kg)(1 cal·g⁻¹°C⁻¹) = 90 °C

5 0
3 years ago
What mass of carbon dioxide is produced upon complete combustion
SOVA2 [1]

Answer:

1 mole CO2 = 44g i.e.by the complete combustion of 12g of carbon, 44g of CO2 is produced.

Explanation:

8 0
2 years ago
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Please help! 
aleksley [76]

the answer is,, made of three layers, has a terry layer, has a solid outer layer. Im 100% sure.

4 0
3 years ago
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