why was it important to go on and still identify the causative agent as wnv? (2pts)

1 silver, 1 nitrogen and 3 oxygen

Subscripts show the number of atoms of each element in a compound

There is no subscript after Ag which shows there is only one silver atom. There is no subscript after N which shows there is only one nitrogen atom. However, there is a 3 in the subscript after O which shows there are 3 oxygen atoms

Answer:

1.25 moles

Explanation:

hope that helps :)

ps. im learning about that in school rn too

Explanation:

Okay this is my last question, please help'

Any material that will withstand a pH shift when H+ or OH- are introduced is a buffer.

Equations of equilibrium are frequently used to do this. Both types of buffers will withstand additions of any kind.

A buffer is created when a weak acid is combined with its conjugate base.

The formulas:

The weak acid equilibrium is as follows: HA(aq)-> H+(aq) + A-(aq) (aq)

Strong acid = HA (aq)

Base conjugate = A- (aq)

H+ ion neutralisation: A-(aq) + H+(aq) HA(aq); in this instance, HA is created, H+ is neutralised, and the conjugate A- is also neutralised.

OH- ions are neutralised as follows: HA(aq) + OH-(aq) In the case of H2O(l) + A-(aq), A- is produced, neutralising both OH- and HA.

Now that KOH is a strong base, we will require a weak acid HF to neutralise it.

so

KOH + HF = KF + H2O

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Answer: True

Explanation:

I remember learning this in AP Chemistry class. Protons and neutrons are in the nucleus of an atom when electrons are outside the core.

Answer:

80 N

Explanation:

you can multiple

force equal to mass x gravity

Answer:

C

Explanation:

Answer:

sodium ions an impulse arriving in presynaptic neuron causses release of neur

Answer:

Explanation:

rate = Δ[C]/Δt,

Reaction rate is calculated using the formula rate = Δ[C]/Δt, where Δ[C] is the change in product concentration during time period Δt. The rate of reaction can be observed by watching the disappearance of a reactant or the appearance of a product over time.

Answer:

by hand

boiling

by hand

boiling

Explanation: theres not enough context on how to answer the question so i hope this helps

Answer:

See the attached worksheet.

Explanation:

The attached file explains the the radioactive decay reactions shown in the figure.  There are a variety of nuclear decay routes:  alphs, beta, gamma, and electron capture are the more common.  Conservation of matter apples to these decay reactions.  The mass of the particles produced will equal the starting mass.  The loss of a proton from a nucleus changes the element:  Elements are defined by the number of protons in their nucleus, regardless of their heritage.

Nuclear chain reactions occur when a nucleus is split into two or more smaller nuclei, releasing a large amount of energy in the process.

This energy is released as heat and radiation, and can be harnessed for use in nuclear power plants or weapons. The reaction is initiated by bombarding a nucleus with a neutron, causing it to split and release more neutrons. These neutrons then collide with other nuclei, causing them to split and release even more neutrons. This creates a chain reaction that can continue until all of the available fuel is consumed.
  The speed of the reaction is affected by several factors, including the number of available neutrons, the size of the nucleus being split, and the presence of materials that can absorb or reflect neutrons. If there are too few neutrons, the reaction will not sustain itself and will quickly fizzle out. If there are too many neutrons, the reaction will become uncontrollable and could result in a dangerous explosion.

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Answer:

Answer:

The major similarities between molecules of carbon monoxide, diatomic oxygen and carbon dioxide is that they all exist in gaseous states in their natural forms. Each of them also have low molecular weight of less than 70g/mol.

The difference between them is that the carbon monoxide is formed from incomplete combustion and is a toxic gas while carbon dioxide is an end product of respiration and is used by plants for photosynthesis. Oxygen on the other hand is essential for respiration and is the end product of photosynthesis.

Carbon dioxide and Carbon monoxide look most alike as they have the same elements which include Carbon and Oxygen but only different in the number of atom composition

brainlist???

Explanation:

Answer:

Salt

Explanation:

Answer: A gas

Explanation: Contrary to popular belief, it is not salt. Salt can be separated from water.

The amount of heat needed to increase the temperature of a metal's unit mass by one degree is known as its specific heat.

Thus, It is a measurement of the thermal energy storage capacity of the metal molecules at the molecular level and specific heat.

The atomic structure of the metal, its atomic weight, temperature, phase, and impurities are only a few of the variables that have an impact on this number and Specific heat.

Every metal has a different specific heat. It is possible for metals with the same elemental structure to have varying values. The atomic structure, mass, temperature, and presence of impurities in the metal, among other things, all have an impact on the specific heat value in specific heat.

Thus, The amount of heat needed to increase the temperature of a metal's unit mass by one degree is known as its specific heat.

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Answer:

191 days =16,502, 400 seconds

Answer:

the measure of net molecular polarity, which is the magnitude of the charge Q at either end of the molecular dipole times the distance r between the charges.

Explanation:

It is a separation of charge forming a positive and a negative end of a molecule

The moles of hydrogen required for the synthesis of 13.78 mol ethane has been 27.56 mol. Thus, option C is correct.

The balanced chemical equation for the synthesis of ethane has been:

\(\rm C_2H_2\;+\;2\;H_2\;\rightarrow\;C_2H_6\)

In a balanced chemical equation for the synthesis of 1 mole of ethane, 2 moles of hydrogen is required.

The moles of hydrogen required for the synthesis of 13.78 mol of ethane has been:

\(\rm 1\;mol\;C_2H_6=2\;mol\;H_2\\13.78\;mol\;C_2H_6=13.78\;\times\;2\;mol\;H_2\\13.78\;mol\;C_2H_6=27.56\;mol\;H_2\)

The moles of hydrogen required for the synthesis of 13.78 mol ethane has been 27.56 mol. Thus, option C is correct.

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Wavelength (L) is calculated using: L = gT²/2π, here g=9.8 m/s2 and T is wave period in seconds.

Wavelength of a wave describes how long the wave is and the distance from the "crest" (top) of one wave to the crest of next wave is called wavelength. We can also measure from the "trough" (bottom) of one wave to trough of next wave and get the same value for the wavelength.

We measure wavelength in following ways:

Use photometer to measure the energy of wave.

Convert energy into joules (J).

Divide energy by Planck's constant, 6.626 x 10⁻³⁴, to get the frequency of  wave.

Divide speed of light, ~300,000,000 m/s, by frequency to get wavelength.

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To filter runoff and stop soil erosion, locals are more likely to grow trees on their property alongside canals and roads.

What is soil erosion and what is its impact on water pollution?

Soil erosion is mostly caused by absence of trees, because the soil cannot hold itself. So if you add trees, there will be less soil erosion.

In addition to lowering soil productivity, soil erosion can have a substantial negative influence on water quality. In surface water bodies, sediment from soil erosion is a significant water quality problem. Reduced water quality is largely caused by increased amounts of phosphorus (P) and nitrogen (N) in surface waters.

When sediments are moved by soil erosion and surface water runoff, N,P can travel from fields into lakes and streams. The role of P- and N-rich sediment in creating eutrophication is one of the many issues that are frequently linked to soil erosion and sediment.

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The substance in the image above would be classified as a mixture of elements (option E).

A compound is a substance formed by chemical bonding of two or more elements in definite proportions by weight.

On the other hand, a mixture is made when two or more substances are combined, but they are not combined chemically.

According to this question, an image is shown with two different substances or elements as distinguished by coloration (white and purple). These elements are combined but not chemically bonded, hence, is a mixture.

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The pH of the acid with a concentration of 0.1 M, taking into account the effects of the autoprotolysis of water, is 1.

The pH of an acid is a measure of its acidity or alkalinity. It is defined as the negative logarithm (base 10) of the concentration of hydrogen ions (H+) in a solution. To calculate the pH of an acid, we need to take into account the autoprotolysis of water.

The autoprotolysis of water is a chemical reaction in which water molecules can transfer a proton (H+) to each other. This results in the formation of hydronium ions (H3O+) and hydroxide ions (OH-).

The reaction can be represented as follows:

                                2H2O ⇌ H3O+ + OH-

In pure water, the concentration of hydronium ions (H3O+) and hydroxide ions (OH-) are equal, resulting in a neutral pH of 7. However, in an acidic solution, the concentration of hydronium ions (H3O+) is greater than the concentration of hydroxide ions (OH-), leading to a lower pH value.

To calculate the pH of an acid, you can follow these steps:

1. Determine the concentration of the acid. For example, let's say the acid concentration is 0.1 M.

2. Write the balanced chemical equation for the dissociation of the acid in water. For example, if the acid is hydrochloric acid (HCl), the equation would be:
 HCl(aq) ⇌ H+(aq) + Cl-(aq)

3. Use the concentration of the acid to determine the concentration of hydronium ions (H3O+). In this case, since HCl is a strong acid, it completely dissociates in water, so the concentration of H3O+ is also 0.1 M.

4. Take the negative logarithm (base 10) of the concentration of hydronium ions (H3O+) to calculate the pH. In this case, the pH would be:

pH = -log10(0.1) = 1

Therefore, pH of the acid with a concentration of 0.1 M, taking into account the effects of the autoprotolysis of water, is 1.

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Answer:

reactants

The substance(s) to the left of the arrow in a chemical equation are called reactants. A reactant is a substance that is present at the start of a chemical reaction

Explanation:

product_The substance(s) to the right of the arrow are called products . A product is a substance that is present at the end of a chemical reaction. In the equation above, the zinc and sulfur are the reactants that chemically combine to form the zinc sulfide product.

There is a standard way of writing chemical equations. The reactants are all written on the left-hand side of the equation, with the products on the right-hand side. An arrow points from the reactants to the products to indicate the direction of the reaction:

reactants → products

Reactants

1. The substances used as starting materials and which react with one another are reactants.

2. Example: In this reaction Mg and O2 are reactants.

Products

1. The substances which are formed as a result of reaction are products.

2. Example: In this reaction MgO is a product.

10g-4.58=4.42g volume of hydrogen gas

The price of the wax from the German supplier is $34.45/lb.

To find the price of the wax from the U.S. supplier in €/kg, we need to convert the price from dollars to euros and then convert the price per pound to price per kilogram.

Convert the price from dollars to euros:

$25.53/1b * €0.76/$1 = €19.41/1b

Convert the price per pound to price per kilogram:

€19.41/1b * (1 kg/2.20 lb) = €8.82/kg

Therefore, the price of the wax from the U.S. supplier is €8.82/kg.

To find the price of the wax from the German supplier in $/lb, we need to convert the price from euros to dollars and then convert the price per kilogram to price per pound.

Convert the price from euros to dollars:

€11.90/kg * $1/€0.76 = $15.66/kg

Convert the price per kilogram to price per pound:

$15.66/kg * (2.20 lb/1 kg) = $34.45/lb

Therefore, the price of the wax from the German supplier is $34.45/lb.

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Answer:

E = hc/λ

Explanation:

To calculate the energy of a photon of radiation, we can use the formula:

E = hf = hc/λ

where:

E = energy of the photon (in Joules)

h = Planck's constant (6.626 x 10^-34 Joule-seconds)

f = frequency of the radiation (in Hertz)

c = speed of light (3.0 x 10^8 meters/second)

λ = wavelength of the radiation (in meters)

For a frequency of 8.24 x 10^14 Hz:

E = hf = (6.626 x 10^-34 J*s)(8.24 x 10^14 Hz) = 5.46 x 10^-19 J

For a wavelength of 6.44 x 10^-9 m:

E = hc/λ = (6.626 x 10^-34 J*s)(3.0 x 10^8 m/s)/(6.44 x 10^-9 m) = 3.07 x 10^-19 J

To calculate the wavelength of light that emits 3.3 x 10^-13 Joules of energy:

E = hc/λ

λ = hc/E = (6.626 x 10^-34 J*s)(3.0 x 10^8 m/s)/(3.3 x 10^-13 J) = 6.01 x 10^-7 m = 601 nm

Answer:

I don't think endothermic reactions have anything to do with temperature. Instead they focus on the direction of the transfer of energy whether it is inside a body or to the surroundings.