How many protons, neutrons, and electrons are in C -14

Answer:

i think a solution

Explanation:

sry dont get mad if im wrong

Nitrogen G is a colorless, tasteless gas that is the most plentiful element in Earth's atmosphere and is a constituent of all living matter of nitrogen.

Nitrogen is an essential gaseous element with an atomic number of 7 and an atomic weight of 14.0067. Nitrogen gas has two particles of Nitrogen therefore, the molecular formula of this gas is N2. It is a non-metallic element that settled Group 15

nitrogen. [ nī′trə-jən ] N. A nonmetallic element that constructs up about 78 percent of the atmosphere by capacity, Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table

So we can conclude that Nitrogen is the chemical element with the symbol N and atomic number 7.

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Answer:

Experiment 8 E Data Table 3 fl Data Table 4 fl Data Table 5 fl Data Table 6 Data Table 3: Polystyrene Test Tube, 12x75mm Volume of water at room temperature (V1 in mL) Volume of gas in polystyrene tube at boil (V2 in mL) Temperature of gas at boil inside polystyrene tube (°C) Volume of gas in polystyrenetube at room temperature (V3 in mL) Temperature of gas.

Explanation:

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Answer:

Explanation:

E = hc/λ

h = planck's constant = 6.66 x 10 ^ -34

c = speed of light = 2.98 *10^8 m/s

E = (6.66 x 10 ^ -34 )(2.98 *10^8)/32

  = 19.85 * 10 ^-26

   =0.62 x 10^-26

   = 6.2 x 10^-27 J

Answer:

woowwwww.... ur right Imao

Explanation:

Shower thoughts be like*

We should know that the color of many substances changes as the pH changes, this is because the chemical structure of the substance is affected by the pH. This is why we see the color change in the image on the right.

In the case of the buffered solution, when small amounts of acid or base are added, the change in pH is not significant. This is because a buffer is a chemical system that affects the concentration of hydrogen ions (or hydroniums) in a solution and the pH is directly related to the concentration of hydrogen ions in the solution.

So, as in the buffered solution, the pH remains constant, the color also remains the same as seen in the image on the left.

Pressure and volume can be regarded as the entity that is inversely proportional.

It should be noted that this explanatin an be done using the law in chemistry which is the Boyle's law which states that, for a given amount of gas and constant temperature, the volume is inversely proportional to the pressure.

However the Equal quantities of all gases can be seen to have same number of molecules when subjected to the same temperature and pressure (Avogadro's law).

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Calculate the normality of 1 Kg of aluminum sulfide in 5000 ml of solution.

Normality comes out to be 8.11

n-factor for \(Al_{2}S_{3}\) is 6 and molar mass is 148g

So, on calculating equivalent mass is equal to 24.66g

FORMULAE of Normality (N) = (Mass of the solute) / (Equivalent mass of the solute (E) × Volume of the solution (V)

                                           N=\(\frac{1000}{24.66*5}\)

                                          N=8.11

Therefore, normality of 1 kg aluminum sulfide is 8.11

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Answer:

750g of Aluminum

Assuming 8.6 cm lenth is the height of the cylinder. The volume of a cylinder is: V = \(\pi\)*r^2*h

V = 3.14cm x 10.24cm x 3.6cm

V = 280cm^3

Now density = mass/volume

2.7g/cm^3 = mass/280cm^3

2.7g/cm^3 x 280cm^3 = mass/280cm^3 x 280cm^3

= 750g of Aluminum

Answer:

0.00152 km

Explanation:

The easiest way to complete the conversion is by (1) converting cm to m and then (2) converting m to km. It is important to arrange the conversions in a way that allows for the cancellation of units.

1,000 m = 1 km

100 cm = 1 m

152 cm             1 m                 1 km
-------------  x  --------------  x  ----------------  =  0.00152 km
                      100 cm          1,000 m

\(\large\displaystyle\text{$\begin{gathered}\sf So \to \ \ 152\not{cm}*\frac{1 \ km}{100,000\not{cm}}=0.00152 \ km \end{gathered}$}\)

Answer:Therefore, the measurement of the object in km is: 0.00152 Kilometers.

I hope my answer is useful to you

Answer:

Wow I don't that hhehehe sorry

Answer:

17.55 g of NaCl

Explanation:

The following data were obtained from the question:

Molarity = 3 M

Volume = 100.0 mL

Mass of NaCl =..?

Next, we shall convert 100.0 mL to L. This can be obtained as follow:

1000 mL = 1 L

Therefore,

100 mL = 100/1000

100 mL = 0.1 L

Therefore, 100 mL is equivalent to 0.1 L.

Next, we shall determine the number of mole NaCl in the solution. This can be obtained as follow:

Molarity = 3 M

Volume = 0.1 L

Mole of NaCl =?

Molarity = mole /Volume

3 = mole of NaCl /0.1

Cross multiply

Mole of NaCl = 3 × 0.1

Mole of NaCl = 0.3 mole

Finally, we determine the mass of NaCl required to prepare the solution as follow:

Mole of NaCl = 0.3 mole

Molar mass of NaCl = 23 + 35.5 = 58.5 g/mol

Mass of NaCl =?

Mole = mass /Molar mass

0.3 = mass of NaCl /58.5

Cross multiply

Mass of NaCl = 0.3 × 58.5

Mass of NaCl = 17.55 g

Therefore, 17.55 g of NaCl is needed to prepare the solution.

Based on the given reaction, the acid-base pairs in this reaction are:

An acid-base pair refers to a set of two chemical species that are related through the transfer of a proton (H+ ion) during a chemical reaction.

One species acts as an acid by donating a proton, while the other acts as a base by accepting that proton.

In the given reaction:

HCO₃⁻ (aq) + NH₃ (aq) → NH₄⁺ + CO₃²⁻

An acid-base pair can be identified as follows:

HCO₃⁻ (bicarbonate ion) can act as an acid by donating a proton (H⁺), becoming CO₃⁻.

NH₃ (ammonia) can act as a base by accepting a proton (H⁺), becoming NH₄⁺ (ammonium ion).

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The heat capacity for the metals are;

Aluminum -  0.89

Copper - 0.11

Iron - 0.44

Lead - 0.12

The specific heat of a substance is denoted by the symbol "C" and is typically measured in units of J/g·°C (joules per gram per degree Celsius) or cal/g·°C (calories per gram per degree Celsius).

The specific h

We have that;

For Aluminum;

c = 4.184 * 39.85 * 4.7/11.98 * 72.9

= 783.6/873.3

= 0.89

For Copper;

c =  4.184 * 12.14 * 1.9/12.14 * 75.4

= 96.5/915.3

= 0.11

For Iron

c =  4.184 * 40.24 * 2.4/12.31 * 75.1

= 404.1/924.5

= 0.44

For Lead

c = 4.184 * 39.65 * 0.7/12.46 * 76.7

c = 116.1/955.68

= 0.12

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Answer:

3.2877204

Explanation:

Answer:

hmmm?what?

Explanation:

ayusin mo flece:>

Answer:

Easy question to answer, you have the concentration and volume of the base and you have the volume of the acid. You need to find the concentration of the acid. C1V1 = C2V2 equation can be used here

Explanation:

Volume of NaOH = 0.0681 L (change mL into L)

Concentration or Molarity of NaOH = 0.143 mol/L

Volume of HCl = 0.025 L (change mL into L)

Concentration or Molarity of HCl = ???

C1V1 = C2V2

Rearrange equation to find C2

(C1 * V1) / V2 = C2

(0.143 * 0.0681) / (0.025)

C2 = 0.389532

Concentration or Molarity of HCl = 0.389 mol/L

\(57.27\) grams of potassium chlorate were used in the reaction to produce \(15.7 L\) of  \(O_2\) gas at STP.

The balanced chemical equation for the decomposition of potassium chlorate is:

\(2KClO_3(s) \rightarrow 2KCl(s) + 3O_2(g)\)

From the equation, we can see that 2 moles of \(KClO_3\) produce \(3\) moles of  \(O_2\) . Therefore, the number of moles of  \(KClO_3\) can be calculated as:

moles of  \(KClO_3 =\) (moles of \(O_2\) produced) \(\times (2/3)\)

At STP (standard temperature and pressure), \(1\) mole of any gas occupies \(22.4 L\) of volume. Therefore,  \(15.7 L\) of O2 at STP corresponds to:

moles of \(O_2\) produced \(= (15.7 L) / (22.4 L/mol) = 0.7018 mol\)

Substituting this value into the above equation, we get:

moles of \(KClO3 = (0.7018 mol) \times (2/3) = 0.4679 mol\)

The molar mass of \(KClO_3\) is \(122.55 g/mol\)  . Therefore, the mass of \(KClO_3\) used in the reaction can be calculated as:

mass of  \(KClO_3\) = (moles of \(KClO_3\)) x (molar mass of \(KClO_3\))

\(= (0.4679 mol) \times (122.55 g/mol)\)

\(= 57.27 g\)

Therefore, \(57.27\) grams of potassium chlorate were used in the reaction to produce \(15.7 L\) of  \(O_2\) gas at STP.

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Answer:

As little as 2 days

Hope this is correct

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The given statement "A parasitic way of life can be best demonstrated by the feeding adaptations of the spider." is False. Because, While some spiders are parasites, not all spiders are parasitic.

Additionally, many spiders are not even true parasites, as they typically do not harm their host organism. Spiders are typically classified as predators, as they feed on other insects and arthropods. While some spiders may occasionally feed on the blood of larger animals, such as birds or mammals, this behavior is not typically considered parasitic, as it does not involve a long-term relationship between the spider and the host organism.

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Acid rain can be caused by all of the following except earthquakes.

Rain has a naturally acidic pH range of 5 to 6. This acidity is caused by sulfur dioxide, nitrogen oxide, and carbon dioxide, which react with oxygen gas and water in the atmosphere to form sulfuric, nitric, and carbonic acids. Acid rain is generated when the atmosphere is overly polluted by these oxides, notably sulfur and nitrogen oxides. Acid rain is the major cause of building deterioration, metal corrosion, and the breakdown of ecological balance.

Acid rain is defined as rain or any other form of precipitation that is unusually acidic, containing high quantities of hydrogen ions. Most water, including drinking water, has a neutral pH of 6.5 to 8.5, however acid rain has a pH lower than this, ranging from 4-5 on average.

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Answer:

The correct answer is A

Explanation:

ANSWER

EXPLANATION

Given information

The mass of calcium bromide is 5.0 grams

Follow the steps below to find the mole of calcium bromide

Step1: Write the formula for calculating mole

Recall, that the molar mass of calcium bromide is 199.89 g/mol

Step 2: Substitute the given data into the formula in step 1

ANSWER

Bubbles forming from hydrogen gas production

EXPLANATION

Given that;

One of the method used in the preparation of hydrogen gas is the reaction of metals with acid

The above reaction is one of the method of producing hydrogen gas

When Zn reacts with HCl, bubbles formed which is as a result of hydrogen production.

Therefore, the correct answer is Bubbles forming from hydrogen gas production

One of the ways to minimize a collision is to slow down: When you can't find an escape and you're definitely going to collide with something, you should slow your vehicle down as much as possible.

Hope this helps ^^

The molarity of the solution which contains 0.031 mol of K₂SO₄ in 622 mL of solution is approximately 0.0499 M.

Molarity is commonly used to describe the concentration of solutions in various chemical reactions, including reactions in the laboratory, industry, and everyday life. It is an important concept in chemistry for quantifying the amount of a substance present in a solution and for calculating the amount of reactants needed in chemical reactions.

To calculate the molarity of a solution, we use the formula:

Molarity (M) = moles of solute/volume of solution in liters

Given; moles of K₂SO₄ = 0.031 mol

volume of solution = 622 mL = 622/1000 L = 0.622 L

Plugging these values into the formula;

Molarity (M) = 0.031 mol / 0.622 L ≈ 0.0499 M

Therefore, the molarity of the solution is 0.0499 M

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Helen takes 35 nights to knit a total of 175 centimeters of scarf. Hence, she will take 36 nights to knit 180 centimeters of scarf.

Length is a basic measurement in for an object which is basically taken in meters or centimeters. The basic unit of length in American standard is meters (m) and in CGS system it is centimeters.

It is given that, Helen knit a total of 175 centimeters of a scarf over 35 nights. Then, the length she knit in one nigh is calculated as:

175/35 = 5 cm.

Therefore, the number of nights required to complete 180 cm is :

180 /5 = 36

Thus, she will take 36 nights to knit a total of 180 cm of scarf.

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The water cycle, also known as the hydrologic cycle, is the continuous movement of water on, above, and below the surface of the Earth.

The water cycle involves a series of physical processes, including evaporation, condensation, precipitation, and runoff, that work together to move water from one location to another and to maintain the balance of water on Earth.

The water cycle begins when water from oceans, lakes, rivers, and other bodies of water evaporates into the atmosphere due to the heat from the sun. As water vapor rises into the atmosphere, it cools and condenses into clouds. When the clouds become saturated with water vapor, precipitation occurs in the form of rain, snow, sleet, or hail.

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A helium-filled balloon has a volume of 4.50 L at a barometric pressure of 747.3 mmHg. Given the balloon’s volume is neither increasing nor decreasing, the pressure of the helium inside the balloon is 747.3 mmHg.

A helium-filled balloon has a volume of 4.50 L when the temperature is 22.5 degrees C and the barometric pressure is 747.3 mmHg.

Barometric pressure is the measurement of air pressure in the atmosphere, specifically the measurement of the weight exerted by air molecules at a given point on Earth.

The pressure of the helium gas is the force that the gas exerts on the container boundaries, in this case, the balloon.

We know that the balloon’s volume is neither increasing nor decreasing. This means that the barometric pressure and the pressure of the helium gas are at equilibrium. That is, the pressure of the gas is 747.3 mmHg as well.

A helium-filled balloon has a volume of 4.50 L at a barometric pressure of 747.3 mmHg. Given the balloon’s volume is neither increasing nor decreasing, the pressure of the helium inside the balloon is 747.3 mmHg.

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