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Repolarisation is: (a) The interior of the cell becoming less negative due to the influx of Na+ ions (b) A specific period in which K+ ions diffuse out of the neuron due to a change in membrane permeability

Nkjt asked Dec 23, 2024

by Nkjt

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Compound y has an rf value of 0.25. how far will compound y have traveled from the origin when the solvent has traveled a distance of 4 cm? a) 1 cm b) 2 cm c) 3 cm d) 4 cm

Fiodorov Andrei asked Dec 23, 2024

by Fiodorov Andrei

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57.8k views

On the verge of tears, my 2nd mental breakdown. School tomorrow and my stress levels high. Please help me.

Lrpe asked Dec 23, 2024

by Lrpe

7.4k points

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0 votes

18.7k views

Describe three abiotic and three biotic components of an ocean marine ecosystem.

Nisarg Thakkar asked Dec 23, 2024

by Nisarg Thakkar

8.2k points

2 answers

2 votes

49.6k views

Which of the following agents is a mechanical method of hemostasis? • A. Bone wax • B. Silver nitrate • C. Argon plasma • D. Oxidized cellulose

Martin Hyldahl asked Dec 23, 2024

by Martin Hyldahl

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1 answer

2 votes

13.6k views

a student was given a 5.00 gram sample of a mixture containing three substances, a, b, and c. using the physical and chemical properties of each component, the student recovered 2.51 grams of substance

WaLinke asked Dec 23, 2024

by WaLinke

7.5k points

1 answer

0 votes

51.3k views

The Sun is believed to be halfway through its life span. It is currently going through the process of nuclear fusion, forming helium from hydrogen as a main sequence star. It will eventually become a giant

Asantaballa asked Dec 23, 2024

by Asantaballa

7.7k points

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4 votes

68.2k views

Determine the quantity in grams of CO(NH2) that are in 0.57 moles of CO(NH»). 0.95 g

Abdul Khaliq asked Dec 23, 2024

by Abdul Khaliq

8.2k points

1 answer

1 vote

148k views

A substance burns in the presence of oxygen. Which answer choice names a chemical property in this scenario? boiling point Odensity solid formation Oflammability

Mike Bell asked Dec 23, 2024

by Mike Bell

7.5k points

1 answer

3 votes

13.5k views

In the bronsted Lowry definition of acids and the base, an acid and A) is a proton donor B breaks stable hydrogen bonds C) corrodes metals D) form is stable hydrogen bonds

GamefanA asked Dec 23, 2024

by GamefanA

7.8k points

1 answer

1 vote

113k views

how to find the natural percentage abundance if you have been given the atomic masses and the average

Aquanetta asked Dec 23, 2024

by Aquanetta

7.0k points

1 answer

1 vote

51.4k views

The approximate minimum daily dietary requirement of the amino acid leucine, C6H13NO2, is 1.1 g. What is this requirement in moles? a) 0.009 moles b) 0.018 moles c) 0.027 moles d) 0.036 moles

Twinj asked Dec 23, 2024

by Twinj

8.0k points

1 answer

3 votes

162k views

Which of the following elements would contain the valence electron configuration 4s24p5? A. Fluorine B. Sulfur C. Calcium D. Bromine E. Antimony

Kermatt asked Dec 23, 2024

by Kermatt

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1 answer

4 votes

170k views

What happens to the number of protons in an atom as you move across a period? a) The number of protons increases b) The number of protons stay the same c) The number of protons decrease d) None of the

Arjen asked Dec 23, 2024

by Arjen

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1 answer

1 vote

149k views

How many moles are in 2.21 x 1023 atoms of LINO 3?

Lasheila asked Dec 23, 2024

by Lasheila

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1 answer

2 votes

45.0k views

What is the net ionic equation for the reaction below? 2AgNO₃(aq) + Na₂S(aq) —— Ag₂S(s) + 2NaNO₃(aq) o 2Ag⁺ (aq) + S²⁻(aq) → Ag₂S(s) o 2AgNO₃(aq) + Na2S(aq) → Ag₂S(s) + 2NaNO₃(aq) o 2Na⁺(aq) + S²⁻ (aq)

Vlad Stryapko asked Dec 23, 2024

by Vlad Stryapko

8.1k points

1 answer

2 votes

228k views

What is this mass in ounces? (16 oz = 453.6 g) A slice of Swiss cheese contains 42 mg of sodium. A) 1.48 oz B) 0.0184 oz C) 0.0925 oz D) 0.0441 oz

Robbie Milejczak asked Dec 23, 2024

by Robbie Milejczak

8.0k points

1 answer

0 votes

224k views

What volume (L) of 0.35 M HF contains 140 moles of HF O 10L 20L 3.0L 04.0L O 5.0L 06.0L

Scruss asked Dec 23, 2024

by Scruss

8.4k points

1 answer

3 votes

12.2k views

A meteorologist fills a weather observation balloon with hydrogen at a pressure of 1 atm at room temperature. If the volume of the balloon is 30 liters on the ground, what will its pressure be at an altitude

Shrishinde asked Dec 23, 2024

by Shrishinde

8.9k points

1 answer

1 vote

67.3k views

determine whether each statement describes an anode or a cathode in a voltaic cell. the negative terminal anode the positive terminal cathode where electrons flow to choose... where the oxidation occurs

Casparjespersen asked Dec 23, 2024

by Casparjespersen

7.8k points

1 answer

4 votes

14.3k views

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