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3 years ago

How do plans and animals rely on each other

1 answer:

n200080 [17]3 years ago

4 0

I’m going to assume here that you meant “plants”.
Animals rely on plants as a source of food. Herbivores way plants to survive and carnivores eat the herbivores to live.
Now plants rely on animals because their scat fertilizes the plants, helping them grow and survive longer.

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30 points 2 quistions 6th grade sceince WHAT?????????????????????YEP ITS TRUE 30 POINTS!!!!!!!!!!!!!!!! for 2 Q 6th grade sceinc

g100num [7]

The megnets push away from each other,
b the center of mass is equally layed out

3 0

3 years ago

When iron metal reacts with sulfuric acid, it produces iron (III) sulfate and hydrogen gas. Balance the equation: Fe + H2SO4 → F

gavmur [86]

<h3>Answer:</h3>

Balanced Equation; 2Fe + 3H₂SO₄ → Fe₂(SO₄)₃ + 3H₂
Why balance?: To obey the law of conservation of mass
Subscripts can not be changed, since they show the actual number of atoms of each element in a compound.

<h3>Explanation:</h3>

The balanced equation for the reaction between the iron metal and sulfuric acid to produces iron (III) sulfate and hydrogen gas is given by;

2Fe + 3H₂SO₄ → Fe₂(SO₄)₃ + 3H₂

Balancing chemical equations ensures that they obey the law of conservation of mass which requires the mass of reactants and the mass of products to be equal.
Balancing is done by putting coefficients on reactants and products while not affecting the subscripts as subscripts show the actual number of atoms of an element in a compound.

6 0

3 years ago

A grating has 470 lines/mm. how many orders of the visible wavelength 538 nm can it produce in addition to the m = 0 order?

maria [59]

Three complete orders on each side of the m=0 order can be produced in addition to the m = 0 order.

The ruling separation is

d=1 / (470mm −1) = 2.1×10⁻³ mm

Diffraction lines occur at angles θ such that dsinθ=mλ, where λ is the wavelength and m is an integer.

Notice that for a given order, the line associated with a long wavelength is produced at a greater angle than the line associated with a shorter wavelength.

We take λ to be the longest wavelength in the visible spectrum (538nm) and find the greatest integer value of m such that θ is less than 90°.

That is, find the greatest integer value of m for which mλ<d.

since d / λ = 538×10⁻⁹m / 2.1×10 −6 m ≈ 3

that value is m=3.

There are three complete orders on each side of the m=0 order.

The second and third orders overlap.

Learn more about diffraction here : brainly.com/question/16749356

#SPJ4

7 0

2 years ago

100 points plus i'll mark brainliest

sdas [7]

I think the answer is 98 grams

5 0

3 years ago

A buffer solution contains 0.496 M KHCO3 and 0.340 M K2CO3. If 0.0585 moles of potassium hydroxide are added to 250. mL of this

aev [14]

Answer:

pH = 10.9

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to say that the undergoing reaction between this buffer and OH⁻ promotes the formation of more CO₃²⁻ because it acts as the base, we can do the following:

$n_{CO_3^{2-}}=0.34mol/L*0.250L+0.0585mol=0.1435mol\\\\n_{HCO_3^{-}}=0.34mol/L*0.250L-0.0585mol=0.0265mol$

The resulting concentrations are:

$[CO_3^{2-}]=\frac{0.1435mol}{0.25L}=0.574M \\$

$[HCO_3^{-}]=\frac{0.0265mol}{0.25L}=0.106M$

Thus, since the pKa of this buffer system is 10.2, the change in the pH would be:

$pH=10.2+log(\frac{0.574M}{0.106M} )\\\\pH=10.9$

Which makes sense since basic OH⁻ ions were added.

Regards!

6 0

3 years ago