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3 years ago

Besides being slow to reproduce, what else could make a population susceptible to being endangered?

Chemistry

2 answers:

KatRina [158]3 years ago

8 0

Answer:

Destruction of natural Habitat

Explanation:

When the natural habitat of some organisms are destroyed, they find it difficult to adapt to a new habitat and the population could start dying as a result of this. This is believed to be the reason Dinosaurs became extinct (because they couldn't adapt to a cooler habitat).

One of the contemporary challenges destroying natural habitats (hence making some animals endangered) in the world today is climate change.

olga_2 [115]3 years ago

6 0

Answer:

Not being able to adapt to their surroundings

Explanation:

For example, a population living in a cold climate and wears little to no clothes will give them frost bite. And so the nature of needing to adapt is core to survival.

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What type of bonds exist in a molecule of water? Polar covalent bonds ionic bonds hydrogen bonds van der waals non polar covalen

Aleksandr [31]

Polar covalent bonds (because hydrogen and oxygen form polar bonds and are both nonmetals so it's covalent) and hydrogen bonds (because the water molecules are attracted to each other with partial charges, causing specific properties like surface tension).

So in my very bad drawing that I attached in case you're more a visual learner, the d- and d+ show the partial charges of hydrogen and oxygen (making it polar, as the electrons in the bond are more shifted towards oxygen, which is why oxygen has a negative sign) and the yellow dotted line show the hydrogen bonds.

7 0

3 years ago

When electrons are added to the outter most shell of carbon atom it forms

GalinKa [24]

Answer:

An anion that has a larger radius.

Explanation:

3 0

3 years ago

Which element has the greatest density at STP? A)calcium. B)carbon C) silicon D)sodium

IgorLugansk [536]

Sodium has the greatest density at STP

6 0

3 years ago

Read 2 more answers

PLEASE SHOW YOUR WORK!!

Rom4ik [11]

Answer:

6. 355.1 g of Na₂SO₄ can be formed.

7. 313 g of LiNO₃ were needed

Explanation:

Excersise 6.

The reaction is: 2 NaOH + H₂SO₄ --> 2 H₂O + Na₂SO₄

2 moles of sodium hydroxide react with 1 mol of sulfuric acid to produce 2 moles of water and 1 mol of sodium sulfate.

If we were noticed that the acid is in excess, we assume the NaOH as the limiting reactant. Let's convert the mass to moles (mass / molar mass)

200 g / 40 g/mol = 5 moles.

Now we apply a rule of three with the ratio in the reaction, 2:1

2 moles of NaOH produce 1 mol of sodium sulfate.

5 moles of NaOH would produce (5 .1)/2 = 2.5 moles

Let's convert these moles to mass (mol . molar mass)

2.5 mol . 142.06 g/mol = 355.1 g

Excersise 7.

The reaction is:

Pb(SO₄)₂+ 4 LiNO₃ → Pb(NO₃)₄ + 2Li₂SO₄

As we assume that we have an adequate amount of lead (IV) sulfate, the limiting reactant is the lithium nitrate.

Let's convert the mass to moles (mass / molar mass)

250 g / 109.94 g/mol = 2.27 moles

Let's make a rule of three. Ratio is 2:4.

2 moles of lithium sulfate were produced by 4 moles of lithium nitrate

2.27 moles of Li₂SO₄ would have been produced by ( 2.27 .4) / 2 = 4.54 moles.

Let's convert these moles to mass (mol . molar mass)

4.54 mol . 68.94 g/mol = 313 g

5 0

2 years ago

Which of the following is not soluble in water?

Assoli18 [71]

A. potassium sulfide

8 0

3 years ago