1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ziro4ka [17]
2 years ago
14

How many Na atomd are shown in the reactants​

Chemistry
1 answer:
Mila [183]2 years ago
8 0

Answer:

On the reactant side, there are two H atoms and two O atoms

You might be interested in
At rest, a neuron has a lower concentration of sodium than the surrounding fluid. The neuron also has a higher concentration of
pshichka [43]

Answer:

a. Remaining at rest requires the use of ATP.

Explanation:

The resting membrane potential is maintained by the sodium-potassium pump. The sodium potassium pump does this by actively pumping sodium ions out of the cell and potassium ions inside the cell in a ratio of 3:2. This movement of ions by the sodium-potassium pump is against their concentration gradient. In a neuron at rest, there are more sodium ions outside the cell than there are inside the cell. Also, there are are more potassium ions inside the cell than there are outside the cell. However, there are ion channels through which these ions enter and leave the cell. Sodium ion channels allow sodium to enter the cell following its concentration gradient, whereas, potassium ion channels allow potassium to leave the cell following its concentration gradient. However, more potassium ions leave the cell than do sodium ions enter the cell because of the higher permeability of the cell to potassium ions.

In order to maintain the resting membrane potential, the sodium potassium pump powered by the hydrolysis of an ATP molecules pumps sodium ions out of the cell and potassium ions into the cell.

<em>Therefore, the correct option is A, as ATP is needed by the sodium-potassium pump in order to maintain the resting membrane potential.</em>

6 0
3 years ago
1. Imagine you have a sealed 20.0 L balloon filled with helium gas at 750 mmHg in the
SVETLANKA909090 [29]

Answer:

17.6510 L

Explanation:

First we should get the number of moles of helium here by Boyle's law

PV=nRT

P=750/760= 0.9868 atm

T=25+273=298 kelvin

R= 0.08206

V= 20L

so

n=PV/RT

n=0.9868×20/0.08206×298

n=0.80707 mol

Then use the same law

V=0.80707×0.08206×263/0.9869=

17.6510L

SO THE VOLUME WILL BE 17.6510 L

6 0
2 years ago
What mass will 33.6 L of chlorine gas (Cl2) have at STP?
chubhunter [2.5K]

Answer:

The answer is D.) 106 g

I hope I helped! ^-^

4 0
3 years ago
Read 2 more answers
What is meant by a chemical bond? why do atoms form bonds with each other? why do some element esist as molecules in nature inst
Alex Ar [27]
It is the attraction between two atoms resulting from a redistribution of their outer electrons. Atoms form chemical bonds in order to make their outer electron shells more stable. Some resist due to some being very big and electronegative
5 0
3 years ago
The fastest man can run 100 meters in 10 seconds. What is his speed in miles per hour?
Anestetic [448]

Answer:22.37 mph

Explanation:

100 meters = 0.062137 miles

Assume constant speed over the distance.

0.062137 miles in 10 sec

0.372822 miles in 60 sec = 1 minute

22.36932 miles in 60 minutes

22.37 mph rounded to 2 decimals

8 0
2 years ago
Read 2 more answers
Other questions:
  • A magnifying glass is an example of a _______ lens.
    11·2 answers
  • Which answer best explains the relationship between size and mass of the sun?
    10·1 answer
  • What is the difference between heat capacity and specific heat?
    13·2 answers
  • What is the molecular basis for the observation that the overall charge on a protein becomes increasingly positive as pH drops a
    11·1 answer
  • The ion [Co(NH3)6]2+
    8·1 answer
  • Is another way in which nitrogen gets fixed in the soil​
    12·1 answer
  • How does the activity series help determine the anode of a voltaic cell?
    8·2 answers
  • Plz answer (g) i will give rating 5 and thanks who answer plz fast
    6·1 answer
  • PLEASE HELPP<br> Will mark brainliest
    9·1 answer
  • PLEASEEEEE HELPPPPPPPP MEEEEEEEEEEEEEEEE
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!