using your periodic table, what are 5 elements that are considered radioactive based on their atomic number?

This value is within the normal range for MAP, which is typically between 70-100 mmHg, indicating that our calculated CO is reasonable for given heart rate.

To calculate the cardiac output (CO), we can use the formula:

CO = Heart Rate x Stroke Volume

Given the heart rate of 50 beats/min and stroke volume of 100 ml/beat, we can calculate the CO as:

CO = 50 beats/min x 100 ml/beat
CO = 5000 ml/min

Now, to check if this value is reasonable, we can calculate the mean arterial pressure (MAP) using the formula:

MAP = CO x Total Peripheral Resistance

Given the total peripheral resistance of 0.015 mmHg x min/ml, we first need to convert it to units of mmHg/min/ml by multiplying it with 1/60 (since there are 60 minutes in an hour):

Total Peripheral Resistance = 0.015 mmHg x min/ml x 1/60
Total Peripheral Resistance = 0.00025 mmHg/min/ml

Substituting this value and the previously calculated CO into the formula for MAP, we get:

MAP = 5000 ml/min x 0.00025 mmHg/min/ml
MAP = 1.25 mmHg

This value is within the normal range for MAP, which is typically between 70-100 mmHg, indicating that our calculated CO is reasonable.

Learn more about heart rate here:

https://brainly.com/question/4309681

#SPJ11

If an increase in concentration of a substance in the ECF and the diffusion rate into a cell initially increases, but then immediately it is attempted again with no change in the rate of diffusion, the most logical conclusion is that the concentration gradient has been saturated.

What is diffusion?Diffusion is the movement of molecules from a region of higher concentration to a region of lower concentration. The concentration gradient, temperature, and the size of the molecules influence the rate of diffusion.The diffusion rate into a cell is dependent on the concentration gradient, which is the difference between the concentration of a substance in the extracellular fluid and intracellular fluid.

When the concentration gradient is steep, the diffusion rate is higher, and when it is less steep, the diffusion rate is lower. Therefore, if the concentration of a substance in the ECF is increased, the concentration gradient increases, and the diffusion rate into a cell initially increases.The immediate attempt at increasing the concentration of a substance in the ECF with no change in the rate of diffusion implies that the concentration gradient has become saturated. At saturation, the concentration gradient cannot increase any further, and the rate of diffusion remains constant, irrespective of any increase in the concentration of the substance in the ECF.

Learn more about Diffusion here,Explain what happens to particles in diffusion. What causes diffusion?

https://brainly.com/question/94094

#SPJ11

Answer:

I would tell him to open the tent in order to breathe frsh air.

Explanation:

Even if propane is not ignited, the buildup of the gas can be deadly due to inhalation. Breathing the gas can cause hypoxia, which is a form of oxygen deprivation that can lead to death. Hence you shouldnt use propane indoors.

The description of the molecules shown is it is unsaturated alkynes. The correct option is A.

Alkynes are unsaturated double bond containing compound that react with hydrogen when a catalyst is present.

The pie bond shows that the hydrogen atoms are lost from the alkanes.

Thus, the correct option is A, unsaturated alkynes.

Learn more about unsaturated alkynes

https://brainly.com/question/23508203

#SPJ2

The Co(II) center in vitamin B12 has an electronic configuration of d^7.

This means that there are seven electrons in the d orbitals of the cobalt ion.

The electron configuration of an element describes how electrons are distributed in its atomic orbitals

The electronic configuration of the cobalt ion can be determined by considering its atomic number (27) and the fact that it has lost two electrons to form the Co(II) ion. The electronic configuration of neutral cobalt (Co) is [Ar] 3d^7 4s^2. When two electrons are removed to form the Co(II) ion, the 4s^2 electrons are lost, leaving a d^7 electronic configuration.

In vitamin B12, the Co(II) ion is coordinated to a corrin ring and a nucleotide. The d^7 electronic configuration of the Co(II) center plays an important role in the function of vitamin B12 as a cofactor in several enzymatic reactions.

To know more about electronic configuration , refer here:

https://brainly.com/question/31580941

#SPJ11

The pair of cations out of which one will form a precipitate and the other will not be able to the pair that can be distinguished on the addition of sodium chloride :

1) Barium and Lead → Barium will not form a precipitate but Lead will form PbCl₂. Thus this can be distinguished.

2) Barium and Alumunium → Both will not form a precipitate.

3) Lead and Silver → Both will give precipitate so cant is distinguished.

4) Iron and Calcium → Both will not form a precipitate.

Solubility is described because the maximum amount of a substance on the way to dissolve in a given amount of solvent at a targeted temperature.

Solubility can be categorized into 3 classes. Those are soluble, partly soluble, or insoluble. A soluble solute has a solubility of extra than 1g in step with a hundred ml of solvent.

Solubility is described as the most quantity of a substance that can be absolutely dissolved in a given quantity of solvent and represents an essential idea in fields of research which include chemistry, physics, meals technological know-how, pharmaceutical, and organic sciences.

Learn more about Solubility here:-https://brainly.com/question/24057916

#SPJ4

Answer:

Exothermic.

Explanation:

So if the sum of the enthalpies of the reactants is greater than the products, the reaction will be exothermic.

Answer:

2

Explanation:

good vibes

A student measured a cylinder to have a length of 4.21 cm and a diameter of 1.29 cm. The volume of the cylinder is  \(V \approx 5.5 \mathrm{~cm}^3\).

\(V=\pi\left(\frac{d}{2}\right)^2 h=\pi \cdot\left(\frac{1.29}{2}\right)^2 \cdot 4.21 \approx 5.50239 \mathrm{~cm}^3\)

A cylinder's volume refers to the amount of interior room it has to hold a given quantity of material. To put it another way, a cylinder's volume is how much it can hold. You can store any one of the three forms of matter—solid, liquid, or gas—within the confines of a cylinder. You cannot hold any liquid, solid, or gas in a two-dimensional cylinder, hence this capacity can only be observed in a three-dimensional cylinder.

Two congruent and parallel identical bases make up a complete three-dimensional cylinder. The right circular cylinder is what is meant by this. Each line segment makes up the lateral curved surface, which is perpendicular to the bases, of a right circular cylinder, which has circular bases. The proper circular cylinders might have crossed your path on a regular basis. Can shapes, paper roll shapes, straight glass, and many other things.

Learn more about volume of the cylinder https://brainly.com/question/16134180

#SPJ9

Answer:

Advantages of Ethanol Fuel

Ethanol Fuel is Cost-effective Compared to Other Biofuels. ...

Ecologically Effective. ...

Helps Reduce Global warming. ...

Easily Accessible. ...

Minimizes Dependence on Fossil Fuels. ...

Contributes to Creation of Employment to the Country. ...

Opens up Untapped Agricultural Sector. ...

Ethanol Fuel is a Source of Hydrogen.

List of the Disadvantages of Ethanol

It isn't as effective a fuel as traditional gasoline. ...

It is a corrosive fuel. ...

It requires a lot of cropland space. ...

It is costly. ...

Its use has resulted in a net emissions increase. ...

It has altered food production principles. ...

It is reliant on the quality of the growing season.

Metalloids and nonmetals forms ionic compounds by losing electrons from the metal to the nonmetal. Metalloids on bonding with metals gain electrons. Hence, option C is correct.

Metalloids are elements showing properties intermediate to that of  metals and nonmetals. They appear as metals because they are shiny, hard and conductive solids. However, they are not good conductors as metals and they are brittle.

Metalloids are also called semiconductors. Boron, silicon, arsenic etc are examples of metalloids. Metalloids have free electrons that are delocalized and can donate electrons to nonmetals when bonding.

Metals are more electron rich than metalloids and they always forms ionic compounds by losing electrons. When metals reacts with metalloids, electrons are donated from metals to the metalloids.

Hence, the species A which loses electrons when reacting with nonmetals and gains electrons when reacting with metals is metalloids.

To find more about metalloids, refer the link below:

https://brainly.com/question/2548493

#SPJ2

Two or more than two atoms with different physical or chemical properties can not combine together to form an element. Therefore, the electronic configuration of Nb²⁺ is [Kr]4d³.

Element generally consist of atoms or we can atoms combine to form element. Atoms of an element is always same, means all the properties of all atoms of one type of element is same.

The systematic distribution of electrons in the various atomic orbitals is called its electronic configuration. The atomic number of Nb is 41. The electronic configuration of Nb is [Kr] 4d⁴ 5s¹. The electronic configuration of Nb²⁺ is [Kr]4d³. Nb²⁺ also has an odd number of valence electrons. The superscripts represents the number of electrons in each orbitals.

Therefore, the electronic configuration of Nb²⁺ is [Kr]4d³.

To know more about element, here:

brainly.com/question/8460633

#SPJ5

Answer:

Every map is a representation of reality, thus a model in the broadest sense. Sometimes mapping is distinguished from modelling by stating that mapping is a simple representation of reality, while modelling is trying to cover more complexity in reality.

Explanation:

Answer:

es la letra a)

Explanation:

síganme en insta

Answer: Humans have increased the global temperature due to fossil fuel burning and are negatively contributing to the increase of CO2 emissions and greenhouse gases.

Explanation:

#1 Over the past century humans have negatively impacted the environment by increasing the global temperature due to fossil fuel emissions and a steady increase in the human population which has led to more resources being extracted and used.

#2 Human activities have brought a sudden increase in the global temperature recently due to the increase in greenhouse gas emissions from factories, automobiles, and homes. While we are beginning to use renewable resources, a large portion of our energy consumption still comes from the production and burning of fossil fuels.

#3 Some ways we can start to put a stop to global warming are by using renewable energy resources and decreasing the use of fossil fuel emissions. We can also decrease our carbon footprint by using electric powered vehicles and devices instead of petroleum burning automobiles and home appliances, and by riding bikes and walking over short distances.

Note: Please reword this a bit so you don't get in trouble for plagiarism.

A hydrogen bomb, commonly referred to as a thermonuclear bomb, is a form of nuclear weapon that releases a significant amount of energy through fusion processes.

A hydrogen bomb's science is founded on the idea of nuclear fusion, which is the act of joining two lighter atomic nuclei to create a heavier nucleus. A hydrogen bomb is made by harnessing the significant amount of energy that is released by this process.

A hydrogen bomb's basic construction consists of two phases. In the first stage, a layer of hydrogen isotopes, such as deuterium and tritium, are compressed and heated using a traditional atomic bomb, also referred to as a fission bomb.

As a result, the high pressures and temperatures required for fusion to take place in the second stage are produced. Massive amounts of energy are released during the fusion process, which causes a shockwave to travel through the nearby materials and cause an enormous explosion.

to know more about  isotopes click on the below link:

brainly.com/question/11680817

#SPJ4

Answer:

1. Gamma rays - f. Studying stars

2. Visible light - e. Light bulbs

3. Radio waves - b. Broadcasting radio stations

4. Infrared rays - d. Remote controls and night vision

5. X-Rays - a. Medical imaging

6. Ultraviolet rays - g. Tanning beds

7. Microwaves - c. Cell phones and radar

Answer:

Disturbance

Explanation:

I believe it is Disturbance because waves are normally caused by wind, and wind classifies as Disturbance.

Answer:

How does critical mass play a role in a nuclear reaction?

Explanation:

It is the minimum amount of material needed to start a fission reaction. ... It is the minimum amount of material needed to sustain a fission reaction.

The boiling point of the solution in number 12 would be 100.624 °C.

The boiling point of a solution depends on many factors, including the concentration of the solute and the nature of the solvent. The value you provided (Kb of water = 0.512 °C/m) is the molal boiling point elevation constant, which is used to calculate the change in boiling point of a solvent when a solute is added. Using the molar boiling point to multiply the number ascribed to the degree Celsius of the solution which is 12 plus the boiling point of water. which is 100..

Therefore, the correct answer is as given above

learn more about boiling point: https://brainly.com/question/40140

#SPJ1

When you use a soap or detergent to wash, the surfactant molecules will interact with the dirt and oils to help wash them away. During this interaction, something called a micelle is formed.

A micelle is a cluster of surfactant molecules that are formed when soap or detergent molecules are mixed with water. When soap or detergent is added to water, the hydrophobic tails of the molecules (which do not mix with water) cluster together, while the hydrophilic heads (which are attracted to water) point outwards towards the water.

Micelles are formed by the hydrophobic tails of the surfactant molecules clustering together in the center, with the hydrophilic heads facing outward.

The soap or detergent's molecules' hydrophobic tails attract oils and dirt, while the hydrophilic heads attract water molecules. The hydrophobic tails of the detergent molecules encircle the dirt and oil particles, while the hydrophilic heads point outward toward the water, creating a micelle.

The micelles disperse the dirt and oil particles throughout the water so that they can be washed away.

To learn more about detergent, refer below:

https://brainly.com/question/241514

#SPJ11

Answer:

2H2+O2=2H2o

Explanation:

We have 2 hydrogens, 2 oxygens on the left-hand side.

But only 1 O on the right-hand side.

let's place a 2 before H2O (water)

Do you drink H2O every day?

But balancing the O unbalanced H

So the balanced chemical equation will look like this:

2H2O+O2=2H2O

Answer:

B and C is corrent i got it right on edge

Explanation:

Answer:

Electrons move among orbitals of different energies.

Electrons move freely among atoms (delocalized).

Explanation:

Answer:

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

\(volume = \frac{mass}{Density} \)

From the question

mass of Iron = 1500 g

Density = 5.5 g/mL

Substitute the values into the above formula and solve

That's

\(volume = \frac{1500}{5.5} \\ = 272.727272...\)

We have the final answer as

Hope this helps you

Explanation:

Density = Mass ÷ Volume

            =  30.5 g  ÷  5 mL

Density =  6.1 g/mL

Complete Question:

In ∆ABC, if sin A = 4/5 and tan A = 4/3, then what is cos A?

Answer:

\(cos A= \frac{3}{5}\)

Explanation:

Given

\(sin A = 4/5\)

\(tan A = 4/3\)

Required

\(cos A\)

In trigonometry;

\(tanA = \frac{sinA}{cosA}\)

Multiply both sides by cosA

\(cos A * tanA = \frac{sinA}{cosA} * cos A\)

\(cos A * tanA = sinA\)

Divide both sides by tanA

\(\frac{cos A * tanA}{tanA} = \frac{sinA}{tanA}\)

\(cos A= \frac{sinA}{tanA}\)

Substitute values for sinA and tanA

\(cos A= \frac{4/5}{4/3}\)

\(cos A= \frac{4}{5} / \frac{4}{3}\)

\(cos A= \frac{4}{5} * \frac{3}{4}\)

\(cos A= \frac{4 * 3}{5 * 4}\)

\(cos A= \frac{3}{5}\)