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Katyanochek1 [597]
3 years ago
15

It has a root hair that _______ out of the cell and increases the _______ ____ to increase the ____ of absorption. It has a larg

e permanent vacuole that speeds up the rate of _______. It has mitochondria to release the ______ needed for ______ transport of mineral ions.
Chemistry
2 answers:
NemiM [27]3 years ago
7 0
Tbh I don’t even know
qaws [65]3 years ago
3 0
It has a root hair that grows (?) out of the cell and increases the surface area to increase the volume/amount (?) of absorption. It also has a large permanent vacuole that speeds up the rate of reaction/absorption (?). It has mitochondria to release the energy needed for active transport of mineral ions.
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A sample of helium gas is heated from 20.0°C to 40.0°C. This
Montano1993 [528]

Answer:

C. 548mL

Explanation:

Attached is an image of the explanation. Hope this helps!

8 0
3 years ago
If 78.4 grams of aluminum metal react with excess hydrochloric acid, how many grams of hydrogen gas can be produced?2al + 6hcl y
qaws [65]
Answer is: 8,7g.
Chemical reaction: 2Al + 6HCl → 2AlCl₃ + 3H₂.
m(Al) = 78,4g.
n(Al) = m(Al)÷M(Al) = 78,4g ÷ 27g/mol = 2,9 mol.
n - amount of substance.
from reaction: n(Al) : n(H₂) = 2 : 3.
2,9mol : n(H₂) = 2 : 3.
n(H₂) = 4,35 mol.
m(H₂) = n(H₂)·M(H₂) = 4,35mol · 2g/mol = 8,7g.
6 0
3 years ago
(this is science not chemistry)
erma4kov [3.2K]

I'm pretty sure ita A. acceleration

4 0
3 years ago
Read 2 more answers
How many neutrons are found in one atom of 16n? express your answer numerically?
Verdich [7]

The number 16 next to the elemental symbol of Nitrogen which is N indicates the mass number of the element. Now the atomic number of N is 7, this is also equal to the number of protons or electrons in the nucleus. So the balance is 16 – 7 = 9 which is being occupied by the neutrons. Therefore the number of neutrons is:

<span>9</span>

4 0
4 years ago
Three blocks of the same mass are placed in front of you. Block A has a volume of
Ivan

Given :

Three block of same mass name A , B and C .

Sides of block A , B and C is 3.0 cm , 5.0 cm and 10.0 cm .

To Find :

Which block has the higher  density .

Solution :

We know , density \rho is given by :

\rho=\dfrac{M}{V}   ......1 )

Here , V is volume .

Now , volume V for cube is given :

V=a^3    .......2 )

(  Here , a is the side of cube )

Now ,form equation 1 we can see if mass remains constant then density decrease with increase in volume.

Therefore , cube with minimum side will have higher density , in this case it is 3 cm block .

Hence , this is the required solution .

8 0
3 years ago
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