Predict which surface will melt ice faster. Wood or metal? Why?

Chemistry

2 answers:

Kay [80]3 years ago

8 0

Answer:

Explanation:

Some materials allow heat to pass through easily, while others do not. Even though the metal block feels colder than the wooden block, it transfers the heat it has to the ice cube more easily than the wooden block does, and this makes the ice cube melt faster.

zmey [24]3 years ago

8 0

Answer:

I believe wood wood melt it faster. Why, because of how compact it is. It would be warmer. Metal would be a cooler temperature.

Explanation:

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What mass of HCL, in grams, is required to react with 0.610 g of al(oh)3 ?

kompoz [17]

Answer: 0.8541 grams of HCl will be required.

Explanation: Moles can be calculated by using the formula:

$\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}$

Given mass of $Al(OH)_3$ = 0.610 g

Molar mass of $Al(OH)_3$ = 78 g/mol

$\text{Number of moles}=\frac{0.610g}{78g/mol}$

Number of moles of $Al(OH)_3$ = 0.0078 moles

The reaction between $Al(OH)_3$ and HCl is a type of neutralization reaction because here acid and base are reacting to form an salt and also releases water.

Chemical equation for the above reaction follows:

$Al(OH)_3+3HCl\rightarrow AlCl_3+3H_2O$