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3 years ago

What moves across axons?

2 answers:

8 0

The neuron maintains a resting membrane potential. ... Because potassium is in high concentration inside the neuron, there is a concentration gradient attempting to force potassium out of the cell. Similar forces will attempt to move sodium ions into the neuron. so the answer is A ions

gtnhenbr [62]3 years ago

5 0

I BELIEVE the answer is neurons.

See, the electrical impulse moving down a axon is a nerve impulse that help your body communicate to itself.

From there, I am not sure.

D, I suppose..?

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Classify the following as either an element, compound, homogeneous mixture or

masya89 [10]

Answer:

<h2>Heterogeneous</h2>

Explanation:

<h3>Milk seems to be homogeneous mixture but actually milk is a heterogeneous mixture and a colloid solution.</h3>

8 0

3 years ago

Given the equation I = Q/t, solve for t.

larisa86 [58]

Answer: $t=\frac{Q}{I}$

Explanation:

$I=\frac{Q}{t}$

Multiply by t on both sides.

$t*I=\frac{Q}{t}*t$

$tI=Q$

Now divide by I to isolate t.

$\frac{tI}{I}=\frac{Q}{I}$

$t=\frac{Q}{I}$

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3 years ago

A student claims that if she wanted to make a solution quickly, she should use small pellets instead of powder along with heatin

vova2212 [387]

Answer: Yes we agree with the student's claim.

Explanation:

When the molecules are present in smaller size, more reactants can react as decreasing the size increases the surface area of the reactants which will enhance the contact of molecules.Hence, more products will form leading to increased rate of reaction.

On increasing the temperature will make more reactant molecules will have sufficient energies to cross the energy barrier and thus the number of effective collisions increases, thus leading to more products and increased rate of reaction.

When the solution is stirred , the molecule's kinetic energy and thus the rate of reaction increases.

Thus smaller size, stirring and increase of temperature will make the solution quickly.

7 0

3 years ago

What is the formula for hydrogen iodide trihydrate

Natali [406]

HI.3H2O. This is the answer

6 0

3 years ago

In the synthesis reaction, the white powder produced is magnesium oxide (mgo, mm = 40.3 g/mol). how many moles of magnesium oxid

gulaghasi [49]

Number of moles = mass of product / molecular mass
=mass of product (MgO) / 40.3

Since the mass of MgO is not given in the question, the correct answer choice cannot be given. However, proceeding witht eh above formula will enable you to find the correct number of moles given the mass of MgO.

3 0

3 years ago