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3 years ago

If the bird species cannot adapt to eat a different source of food, this species of bird will most likely

1 answer:

4 0

The correct answer for the question that is presented is this one: "become extinct." If the bird species cannot adapt to eat a different source of food, this species of bird will most likely become extinct. Given the fact that the climate of the location changes very quickly, and the ecosystem becomes too cold for fruit trees to survive.

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NEED HELP ASAP WILL GIVE BRAINLIEST

grandymaker [24]

Answer:

First we know that the molar mass of CO2 is 44.01g/mol, and that the sample of CO2 contains 3.408 x 10^21 molecules, and we have to find the mass of that sample.

We know that moles = mass/molar mass, if we rearrange the equation for mass, we'll get:

mass = moles x molar mass

Also, note that the number of atoms/molecules in a sample is the moles of the sample x Avogadro's number (6.02 x 10^23)

If we rearrange the equation for moles, we would get:

moles = molecules of sample/6.02 x 10^23

Plug in the values for the equation above to get the moles:

moles = (3.408 x 10^21)/(6.02 x 10^23)

moles = 0.00566112956 (we're not done yet)

Now that we have the moles and we were already provided the molar mass, we can calculate the mass using the very first equation we rearranged.

mass = moles x molar mass

mass = 0.00566112956 x 44.01

mass = 0.2491g (answered 4 places past the decimal point)

Therefore the sample of Carbon Dioxide has a mass of 0.2491g

8 0

3 years ago

7. Convert 158 g of C to moles.

LuckyWell [14K]

Answer:

Number of mole = 13.155moles

Explanation:

One mole of a substance is equal to 6.022 * 10^23 units of that substance.

Mole of a substance can be defined according to chemistry as the mass of substance containing the same number of fundamental units

Using the formula for mole

n = m/Mm

n = number of mole

m = number of mass

Mm = number of molar mass

We are provided with some information

Given: mass of carbon to be 158g

Molar mass of C = 12.0107g/mol

Using the formula

n = m/Mm

n = 158 / 12.0107

n = 13.155 moles

3 0

3 years ago

When you burn wood and they camp fire, _______ Energy is converted to ________ and light energy

vladimir2022 [97]

I know the last section is chemical and light but im not sure about the first if i had to guess it would be kinetic

4 0

3 years ago

Read 2 more answers

Which chemicals would be the best indicator that the unknown substance is a plant?

arlik [135]

Cellulose and starch would be the indicator that the unknown substance is a plant.

6 0

3 years ago

Investigators studying a particular cell response are curious about what type of cell-surface receptor might trigger it. They in

belka [17]

Answer:

An ion channel, more specifically a calcium channel.

Explanation:

The electrical activity of the cells is regulated by ion channels. Calcium channels, also referred as the voltage-gated calcium channels constitute one group of a superfamily of ion channels. A change in voltage across the membrane or small molecules triggers calcium channels to open, allowing calcium to flow into the cell. Inside the cell, calcium acts as a second messenger, it binds to calcium sensitive proteins to induce different responses and support several functions such as muscle contraction, hormone and neurotransmitter secretion, gene regulation, activation of other ion channels, control of action potentials, cell survival, etc.

3 0

3 years ago