Identify the coordination chemistry term described by each phrase. Capable of making one bond to a transition metal Choose. Small molecule or anion with at least one lone pair to bound to a transition metal Choose. Compound containing a single molecule bound to a metal in multiple places Choose. General term for a transition metal cation bonded to a small molecule or anion Choose

Answer:

they are funny and unite.

Thank You

Answer:

5. The excited players celebrated because they won the game. 6. Everyone at the birthday party ate the delicious birthday cake is the question

Explanation:

Answer:

Immune system

Explanation:

There isn't really one, just that the immune system keeps us as a species alive, it prevents spreadable diseases that could wipe out or species

Answer:

I can't draw diagrams on this web site but I can do with numbers I think. So an electron is moved from n = 1 to n = 5. I'm assuming I've interpreted the problem correctly; if not you will need to make a correction. I'm assuming that you know the electron in the n = 1 state is the ground state so the 4th exited state moves it to the n = 5 level.

n = 5 4th excited state

n = 4 3rd excited state

n = 3 2nd excited state

n = 2 1st excited state

n = 1 ground state

Here are the possible spectral lines.

n = 5 to 4, n = 5 to 3, n = 5 to 2, n = 5 to 1 or 4 lines.

n = 4 to 3, 4 to 2, 4 to 1 = 3 lines

n = 3 to 2, 3 to 1 = 2 lines

n = 2 to 1 = 1 line. Add 'em up. I get 10.

b. The Lyman series is from whatever to n = 1. Count the above that end in n = 1.

c.The E for any level is -21.8E-19 Joules/n^2

To find the E for any transition (delta E) take E for upper n and subtract from the E for the lower n and that gives you delta E for the transition.

So for n = 5 to n = 1, use -Efor 5 -(-Efor 1) = + something which I'll leave for you. You could convert that to wavelength in meters with delta E = hc/wavelength. You might want to try it for the Balmer series (n ending in n = 2). I think the red line is about 650 nm.

Explanation:

Answer:

B) the kinetic energy of the particles in the spoon will decrease as the thermal energy moves from the soup to spoon.

Answer:

Convection

Explanation:

heat rises to the top :)

Answer:

The Answer is Convection

Explanation:

Convection can be caused when liquids or gases touch a hot object and take the heat with them.

Hope I could help!

-Nova

Generally, a literature review should aim to provide a comprehensive and up-to-date overview of the existing research and scholarly literature relevant to the research question or topic. This means that the number of studies or literatures included in a literature review will depend on factors such as the breadth and depth of the research question, the availability and relevance of existing research, and the scope of the research project.

It is important to ensure that the literature review is well-organized, critically analyzed, and clearly presented, regardless of the number of studies or literatures included. The focus should be on selecting high-quality and relevant sources, rather than simply aiming for a specific number of sources. A literature review should provide a thorough synthesis and analysis of the existing literature, and should demonstrate a clear understanding of the key debates, trends, and findings in the field.

Explanation:

Plastic takes time to degrade which means it has great longevity. Plastic does not break as easily as glass or other materials. It lasts long and offers great service. Plastic storage containers offer greater flexibility than any other packaging materials.

Cu(NO3)2 → Cu2+(aq) + 2NO3-(aq) HC2H3O2 → H+(aq) + C2H3O2-(aq) HNO2 → H+(aq) + NO2-(aq)LiOH → Li+(aq) + OH-(aq)NH4Br → NH4+(aq) + Br-(aq)K2SO4 → 2K+(aq) + SO42-(aq)NaClO3 → Na+(aq) + ClO3-(aq)K3PO4 → 3K+(aq) + PO43-(aq).

Chemistry is a branch of the physical sciences that studies the composition, structure, properties and changes of matter. Ionic is a complete open-source SDK for hybrid mobile app development created by Max Lynch, Ben Sperry, and Adam Bradley of Drifty Co. in 2013. The original version was released in 2013 and built on top of AngularJS and Apache Cordova.

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The PE Ratio for today is 0.02 (rounded to 2 decimal places).For yesterday: P/E Ratio = Stock price / EPS Since the EPS for yesterday is not given, we cannot determine its P/E ratio for yesterday.

The P/E ratio is calculated by dividing the stock's market value per share by its earnings per share (EPS).

The given data for Gresham Technology:

Current share price= $23.10, Yesterday's share price = $23.60.

Total shares outstanding = 4.8 million Annual.

Earnings = $5134 million ,PE Ratio formula:

PE Ratio = Stock Price / Earnings per share (EPS).

Therefore, the PE Ratio for today:

PE Ratio = Stock price / EPS Stock price = $23.10EPS = Annual earnings / Number of shares ,

EPS = 5134 / 4.8EPS = $1070.83P/E ,

Ratio = $23.10 / $1070.83 = 0.0216 = 0.02 (Rounded to 2 decimal places).

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64 g O₂

Math

Pre-Algebra

Order of Operations: BPEMDAS

Chemistry

Atomic Structure

Stoichiometry

Step 1: Define

[RxN - Balanced]   CH₄ + 2O₂ → CO₂ + 2H₂O

[Given]   36 g H₂O

[Solve]   x g O₂

Step 2: Identify Conversions

[RxN] 2 mol O₂ → 2 mol H₂O

[PT] Molar Mass of O - 16.00 g/mol

[PT] Molar Mas of H - 1.01 g/mol

Molar Mass of O₂ - 2(16.00) = 32.00 g/mol

Molar Mass of H₂O - 2(1.01) + 16.00 = 18.02 g/mol

Step 3: Stoichiometry

Step 4: Check

Follow sig fig rules and round. We are given 2 sig figs.

63.929 g O₂ ≈ 64 g O₂

Mass of O₂ needed = 64 g

Given

Reaction

CH₄ + 2O₂ → CO₂ + 2H₂O

36 grams of H₂O

Required

Mass of O₂ needed

Solution

mol H₂O :

= mass : MW H₂O

= 36 : 18 g/mol

= 2

From the equation, mol ratio of O₂ : H₂O = 2 : 2, so mol O₂=2

Mass O₂ :

= mol x MW O₂

= 2 x 32 g/mol

= 64 g

Explanation:

\(2.25mol \times \frac{22.4lit}{1mol} = 50.4 lit o2 \)

Answer:

C1V1=C2V2

C1 is 2.0mol/l

V1=?

C2=.4mol/L

V2=100ml or for this 0.1L

V1 is 20ml

Best way to prepare this is to measure out 20ml of the 2 molar solution and add 80mL to it to get to 100mL

Explanation:

information would a scientist be least likely to receive from a weather satellite is data about how many storms will occur in a season

Weather satellites are defined those satellites that are mainly used study and examine the climate and weather patterns that occur at different places on earth and it provide information about temperature, pressure and moisture content of the air, and analyzing all these data it helps in locating and tracing an upcoming storm and thereby warns the locality, where there are chances of an occurrence of storms so the scientist be least likely to receive from a weather satellite is data about how many storms will occur in a season

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Answer:

Ca + Pb(NO3)2 → Pb + Ca(NO3)2

Explanation:

This is an oxidation-reduction (redox) reaction:

PbII + 2 e- → Pb0

(reduction)

Ca0 - 2 e- → CaII

(oxidation)

Pb(NO3)2 is an oxidizing agent, Ca is a reducing agent.

The following does not obey the octet rule is \(PCl_{5}\) (D).

The octet rule is а generаl guideline thаt stаtes thаt аtoms tend to combine in such а wаy thаt they hаve eight electrons in their vаlence shells. This is аchieved either by gаining, losing, or shаring electrons with other аtoms.

А. CO - Cаrbon hаs 4 vаlence electrons аnd oxygen hаs 6 vаlence electrons. When they combine, they shаre 2 electrons, giving eаch аtom 8 electrons in their vаlence shells. Therefore, CO obeys the octet rule.

B. \(NH_{3}\) - Nitrogen hаs 5 vаlence electrons аnd eаch hydrogen hаs 1 vаlence electron. When they combine, nitrogen shаres 3 of its electrons with 3 hydrogen аtoms, giving nitrogen 8 electrons in its vаlence shell аnd eаch hydrogen 2 electrons in its vаlence shell. Therefore, \(NH_{3}\)  obeys the octet rule.

C. \(H_{2}O\) - Oxygen hаs 6 vаlence electrons аnd eаch hydrogen hаs 1 vаlence electron. When they combine, oxygen shаres 2 of its electrons with 2 hydrogen аtoms, giving oxygen 8 electrons in its vаlence shell аnd eаch hydrogen 2 electrons in its vаlence shell. Therefore, \(H_{2}O\) obeys the octet rule.

D. \(PCl_{5}\) - Phosphorus hаs 5 vаlence electrons аnd eаch chlorine hаs 7 vаlence electrons. When they combine, phosphorus shаres its 5 electrons with the 5 chlorine аtoms, but it is left with only 10 electrons in its vаlence shell, which is less thаn 8.

Therefore, \(PCl_{5}\) does not obey the octet rule. The correct option is D.

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Since cream cheese has such a high fat content, it doesn't take long to come to room temperature if the room is relatively warm. It takes about thirty minutes on the counter to soften significantly, and about an hour to fully come to room temperature again, depending on the temperature outside and in your kitchen

4.03 x \(10^{-4}\) M of potassium hydroxide is required to produce an aqueous solution with a pH of 10.640.

The pH of a solution can be calculated using the equation:

pH = -log[H+]

where [H+] is the concentration of hydrogen ions in moles per liter.

To find the concentration of potassium hydroxide needed to give a solution with a pH of 10.640, we can

use the fact that potassium hydroxide is a strong base that dissociates completely in water, so [OH-] =

[KOH]. The concentration of hydroxide ions can be calculated using the equation:

pOH = 14 – pH

pOH = 14 – 10.640 = 3.36

[OH-] = 10^(-pOH) = 4.03 × \(10^{-4}\) M

Since [OH-] = [KOH], the molarity of potassium hydroxide is also 4.03 × \(10^{-4}\)M

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Metalloids possess intermediate properties between metals and nonmetals. They exhibit characteristics such as intermediate conductivity, brittleness, semiconducting behavior, and varying chemical reactivity.

Metalloids, also known as semimetals, are a group of elements located on the periodic table between metals and nonmetals. The properties of metalloids exhibit a combination of characteristics from both neighboring groups. Here are some key properties of metalloids:

1. Electrical conductivity: Metalloids have intermediate electrical conductivity, which means they can conduct electricity to some extent. However, their conductivity is lower than that of metals but higher than that of nonmetals.

2. Thermal conductivity: Similar to electrical conductivity, metalloids possess intermediate thermal conductivity. They can conduct heat, but not as efficiently as metals.

3. Brittleness: Metalloids are generally brittle solids. They are rigid and tend to break or shatter when subjected to stress.

4. Semiconducting behavior: One of the defining properties of metalloids is their ability to behave as semiconductors. They can exhibit both metallic and nonmetallic characteristics depending on the conditions, making them important in the field of electronics.

5. Varying chemical reactivity: Metalloids show diverse chemical reactivity. Some metalloids, like boron and silicon, are relatively reactive, while others, like arsenic and tellurium, are less reactive.

In conclusion, metalloids possess intermediate properties between metals and nonmetals. They exhibit characteristics such as intermediate conductivity, brittleness, semiconducting behavior, and varying chemical reactivity.

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The volume at the half equivalence point can be determined by finding the volume of KOH required to reach half of the initial concentration of HNO2.

Explanation: At the equivalence point, the pH is approximately 7 since the reaction between HNO2 and KOH produces water, resulting in a neutral solution. At the half equivalence point, the pH is equal to the pKa of HNO2, which can be calculated using the Henderson-Hasselbalch equation.

The reaction between HNO2 and KOH can be represented as follows:

HNO2 + KOH → H2O + KNO2

To determine the pH at this point, we can use the Henderson-Hasselbalch equation:

pH = pKa + log ([A-]/[HA]),

where pKa is the negative logarithm of the acid dissociation constant (Ka), [A-] is the concentration of the conjugate base (NO2-) and [HA] is the concentration of the acid (HNO2). The pKa of HNO2 is known, and by substituting the values into the Henderson-Hasselbalch equation with [A-] equal to [HA], we can find the pH at the half equivalence point.
The volume of KOH can be done by multiplying the initial concentration of HNO2 by the initial volume (40.0 mL) and dividing it by 2. Then, using the molarity of KOH (0.2 M), we can convert this moles of HNO2 into volume using the stoichiometry of the reaction.

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Answer:

B

Explanation:

p block bc its last orbit is 4p5

Answer:

Explanation:

P. block

Answer:

You can use a PH tester do identify the PH of each solution.  Depending on what solutions ur testing, u shouldn't mix them as for there could be either a minor or bad chemical reaction

Explanation:

Exotoxins are toxic substances released by bacteria that can cause damage to host cells. They are classified into two main categories: structural and functional exotoxins.

Structural exotoxins: These exotoxins are proteins that have a specific structure or shape. They can be further classified into different types, such as pore-forming toxins, superantigens, and proteases. Each type of structural exotoxin has a distinct mechanism of action and targets specific host cells or tissues.Functional exotoxins: These exotoxins have a specific function or activity, rather than a defined structure. They can be classified based on their mode of action, such as cytolytic toxins, neurotoxins, or enterotoxins. Functional exotoxins may not have a specific structural classification but are grouped based on the type of damage they cause in the host.

However, A-B toxins do not fit into either the structural or functional classification. A-B toxins are named after their structure, which consists of two subunits: A and B. The B subunit is responsible for binding to specific receptors on host cells, while the A subunit carries out the toxic activity. A-B toxins are produced by bacteria such as diphtheria toxin and cholera toxin.

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Answer:

Explanation:

Driving a car (burning gas is a chemical change) and almost all the plastics we use are made by chemical reactions of different components.

Answer:

acidos

Explanation:

los conductores de energía eléctrica: es decir, este tipo de energía fluye con facilidad a través de sus iones. Al reaccionar con metales generan hidrógeno (H) y sal. Al reaccionar con bases o con óxidos metálicas generan agua

Answer:

313.2 g of \({K_{2} }S O_{4}\)  must be added to 1.20 liters of water to produce a 1.50 molar solution.

Explanation:

What is molarity?

According to the given question,

Solution :

∴ Number of moles of solute, here, \({K_{2} }S O_{4}\)

= molarity x volume of the solution

= 1.20 x  1.50 = 1.8

∴ Mass of 1.8 moles of \({K_{2} }S O_{4}\) = 1.8 x molar mass of   \({K_{2} }S O_{4}\)  

Now the molar mass of \(K_{2} SO_{4}\)

= (Gram atomic mass of K x 2) + (Gram atomic mass of S) + (Gram atomic mass of O x 4)

= (39x2) + 32 + (16 x 4) g

= 174 g.

∴ Mass of 1.5 moles of \({K_{2} }S O_{4}\)

= 1.8 x molar mass of   \({K_{2} }S O_{4}\)  

= 1.8 x 174 g

= 313.2 g.

Thus, 313.2 g of \({K_{2} }S O_{4}\)  must be added to 1.20 liters of water to produce a 1.50 M solution.

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A girl roller-skating has kinetic energy.

Kinetic energy is the energy of motion. It is the energy possessed by an object due to its movement. In this case, the girl roller-skating has kinetic energy because she is moving.

Potential energy is the energy an object possesses due to its position or configuration. It is the energy an object has stored within it, ready to be released. An object at rest has potential energy because it has the potential to be set in motion and does work.

So, in this case, the girl roller-skating has kinetic energy because she is moving, and not potential energy because she is not at rest.

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Answer:

"A"

Explanation:

The magnetic dipole axis of the earth is tilted about 11½° from the rotation axis. This means the magnetic north pole and the geographic north pole are not in the same place. ...

They are also not the sam ehtings :

Magnetic axis is the straight line joining the two poles of a magnet (as the magnetic poles of the earth)

Rotational axis i think is the straight line that joines the north and the south pole of the  .earth .... NOTE: The earth is a bit tilted....

look at the daigram for reference.

The rotational axis of the Earth and its magnetic axis are separated by 11.5 degrees and are not one and the same.

The rotational axis is an imaginary line or axis through which any object rotates and revolves.

The angular momentum vector of the object is divided by the angular momentum magnitude to find the rotational axis of an object.

The rotational axis of the earth is 23.5 degrees.

Thus, the correct option is A.

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