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2 years ago

PLEASE HELP MEEE I WILL MARK BRAINLIST FOR THIS ITS SUPER SIMPLE....BUT U MUST TYPE EVERYTHING needed ASAP

Chemistry

1 answer:

vivado [14]2 years ago

4 0

Answer:

Other Causes of Extinction in addition to habitat destruction, other human-caused probelms are also threatening many species. These include issues associated with climate change, pollution, and over-population.

Invasive Species as we have learned earlier in the unit, invasive or non-native species can also change an ecosystem. When invasive species enter an ecosystem's dynamic and cause a disruption to the flow.

Habitat Destruction Your habitat can be altered, and you can easily adapt. Most people live in a few different places and go to a number of different schools throughout their life. But a plant or animal may not be able to adapt to a changed habitat.

Humans often destroy the habitats of other organisms. Habitat destruction can cause the extinction of species.

Extinction is the complete disappearance of a species. Once a species is extinct, it can never recover.

Explanation:

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List the numbers of protons, neutrons, and electrons in Chlorine-18.

OLEGan [10]

17 protons 17 electrons 18 neutrons

7 0

3 years ago

Find the fugacity coefficient of a gaseous species of mole fraction 0.4 and fugacity 25 psia in a mixture at a total pressure of

Oksana_A [137]

<u>Answer:</u> The fugacity coefficient of a gaseous species is 1.25

<u>Explanation:</u>

Fugacity coefficient is defined as the ratio of fugacity and the partial pressure of the gas. It is expressed as $\bar{\phi}$

Mathematically,

$\bar{\phi}_i=\frac{\bar{f_i}}{p_i}$

Partial pressure of the gas is expressed as:

$p_i=\chi_iP$

Putting this expression is above equation, we get:

$\bar{\phi}_i=\frac{\bar{f_i}}{\chi_iP}$

where,

$\bar{\phi}_i$ = fugacity coefficient of the gas

$\bar{f_i}$ = fugacity of the gas = 25 psia

$\chi_i$ = mole fraction of the gas = 0.4

P = total pressure = 50 psia

Putting values in above equation, we get:

$\bar{\phi}_i=\frac{25}{0.4\times 50}\\\\\bar{\phi}_i=1.25$

Hence, the fugacity coefficient of a gaseous species is 1.25

8 0

3 years ago

Gizmo Warm-up

Mariana [72]

Sodium hydroxide solution and hydrogen gas are produced from the reaction of water and sodium.

<h2>Reaction of sodium and water</h2>

We observe bubbles coming out of the water when the sodium reacts with the water because of the formation of hydrogen gas which is insoluble in water so it moves into the atmosphere.

<h3>Products of the reaction</h3>

Sodium metal reacts rapidly with water to form sodium hydroxide (NaOH) solution and hydrogen gas (H2). This chemical reaction is exothermic because huge amount of heat is release from the solution so we can conclude that sodium hydroxide solution and hydrogen gas are produced from the reaction of water and sodium.

Learn more about chemical reaction here: brainly.com/question/26018275

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8 0

2 years ago

Please Answer ASAP !

amid [387]

Answer:

2.0x 10-2M

Explanation:

x2/[2.0x10-2]2 [1.0x10-2] =100

5 0

3 years ago

If the atomic number of an element is 6 and its mass number is 4 how many neutrons are contained in the nucleus? A. 14 B. 6 C. 8

leonid [27]

The answer is B. There are 6 neutrons

5 0

3 years ago