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2 years ago

Elements that are usually dull, brittle and do not conduct electricity are know as______.

Chemistry

1 answer:

Anton [14]2 years ago

8 0

Answer:

nonmetal

Explanation:

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After throwing the ball in the pool for my dog the ball sprung a leak and begin to fill with water. How many mL of water can th

ikadub [295]

Answer: i think 250ML

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3 years ago

What is the precipitation reaction of sodium nitrate and lead (II)?

Vadim26 [7]

The precipitation reaction of sodium nitrate and lead (II) chloride would not happen. No reaction will happen between these substances. Hope this answers the question. Have a nice day.

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3 years ago

A)The lower the greenhouse gases, the higher the ocean temperature.

HACTEHA [7]

The higher the greenhouse gases, the higher the ocean temperature

"The ocean absorbs most of the excess heat from greenhouse gas emissions, leading to rising ocean temperatures"

hope this helps :)

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3 years ago

Read 2 more answers

A student did an experiment to determine the specific heat capacity of a metal alloy. The student put a sample of the alloy in b

guapka [62]

Answer:

a) ∆T=T1-T2

b) At the particle level the temperature changes are the result of the added energy causing the particles of water to move more vigorously. Either the particles of solid vibrate more vigorously about their fixed positions or the particles of liquid and gas move about their container more rapidly.

c) The state in which two substances in physical contact do not share any heat energy. The temperature of two substances in thermal equilibrium is said to be the same. Also see thermodynamics.

Explanation:

hope that helped good luck!

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3 years ago

1. A gas having the following composition is burnt under a boiler with 50% excess air.

jeka94

The composition of the stack gas are :

$CH_4$ = 0.8713

$C_3H_8$ = 0.0202

CO = 0.107

<h3 /><h3>What is a mole fraction?</h3>

The ratio of the number of moles of one component of a solution or other mixture to the total number of moles representing all of the components.

Assuming 100 g of the stack gas. Calculate the mass of each species in this sample according to their percentages.

Mass of $CH_4$ : 70% of 100 g = 70 g

Mass of $C_3H_8$ : 15% of 100 g = 15 g

Mass of CO : 15% of 100 g = 15 g

Now calculate the number of moles of each species:

Number of moles of $CH_4$ : $\frac{70 g}{16.04 g/mol}$ = 4.3 mole