To make a ball move faster, you need to increase
The force applied to the ball
The size of the ball
O The mass of the ball
The friction under the ball

CH2O is also known as Formldehyde  or Methanal (IUPAC).When it comes to bond types, there is a basic framework that all aspects adhere to.

Completing Octet is one of the things that contribute to the foundation of stability and stability (Having a total of 8 electrons in its outermostmost shell). Which bond numbering system is used? Here, C is the core atom, which has four electrons in its outermost shell, and in order to have eight electrons, it requires four more electrons shared by H and O. However, the agreement is that every H and O should benefit entirely. Because they must fulfil their octet as well. So C forms 4 bond ( both the H) And 2 Oxygen.

H-C = 1 Sigma ; Single bond. (H complete its Duplet in its outershell as its small and not capable of having 8 electrons nd C shares 1 electron)

H-C = 1 Sigma; Single bond

O=C = 1 Sigma + 1 Pi ; Double bond ( As O have 6 electron in its outer shell and it needs 2 electron from C and C is benefitted too as it gets 2 electron from O)

Now C have 1e from H + 1e from H + 2e from O = 8e (Stable)

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Answer:

the deep sea floor. Known as the oceanic crust.

Explanation:

The deep seafloor (the oceanic crust) is made almost entirely of basaltic rocks, with peridotite underneath in the mantle. Basalts are also erupted above the Earth's great subduction zones, either in volcanic island arcs or along the edges of continents.

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Explanation:

CH4+8/2Cl2—>CCl4+4HCl

that is,1molecule of methane+8/2 molecules of dichlorine—>1molecule of carbon tetrachloride+4molecules of hydrogen chloride

Covalent and ionic bonds refer to atoms joined by their electrons. In covalent bonds, electrons are shared by the involved non-metal atoms. Option 2 is correct. Occurs due to the sharing of electrons between two non-metal atoms.

Both of them, covalent and ionic bonds, are chemical bonds that can form between atoms.

Ionic bonds occur between atoms with different electronegativity. When they bind, they transfer electrons from one atom to the other creating ions with opposite charges that attract each other.

Ionic compounds are formed by anions and cations.

• Cations are positive ions derivated from metals.

• Anions are negative ions derivated from non-metals.

The metal atoms share its electrons with the non-metal ones, creating stable configurations. Ionic bonds do not create molecules.

Covalent bonds are formed between atoms share electrons to be more stable. Atoms involved share electrons equally, creating a strong bond between them.

Covalent bonds are usually formed between non-metal atoms.

Option 2 is correct. Occurs due to the sharing of electrons between two non-metal atoms

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Complete question

A template of a Venn diagram representing common and differentiating characteristics of covalent and ionic bonds is shown.

Which of the following characteristics can be written only in space C?

On the diagram,

Options,

Answer:

B

Explanation:

3.2 × 10⁴

= 3.2 × 10000

= 32000 m

Answer:

peroid num= 3

group num=13  (boron Group)

Explanation:

Answer:

period

3

group

13

Answer:

2.41x10²¹ atoms

Explanation:

mass of nickel that are present in the coin can be determined Using ( 25% nickel) with j mass of coin= 0.942g )

mass of nickel = (0.942g) × (25/100)

= 0.2355g of Nickel

We need to convert this " gram" into " moles"

Mole= mass/ molar mass

Molar mass= 58.69 g/mol

0.2355 g) / (58.69 g/mol)

= 0.004 mol

We need to convert the moles to

number of atoms.

Avogadro's number= 6.023x10²³ atoms/mol

(0.004 × 6.023x10²³ atoms/mol)

=2.41x10²¹ atoms

Answer:

increasing the positive charge of the positively charged object and increasing the negative charge of the negatively charged object would make the oppositely charged objects attract each other more.

Answer:

Explanation:

The equation for the beta decay of 77Se is:3477Se --> 3377As + 10e

where the 10e is a positive beta particle or positron.

Answer:

A

Explanation:

because it loses 2 electrons

The electrical charge of the calcium ion is +2.

Answer:

HF, NaF

Explanation:

A buffer system may be formed in one of the following ways:

Which of the following mixtures may act as a buffer solution?

Answer:

1000 K

Explanation:

Given data

We can find the temperature of carbon dioxide using the ideal gas equation.

\(P \times V = n \times R \times T\\T = \frac{P \times V}{n \times R} = \frac{0.8210atm \times 50L}{0.5mol \times \frac{0.08206atm.L}{mol.K} }=1000 K\)

The temperature of the gas is 1000 K.

Answer: NaF is ionic. NF3 is covalent. SiF4 is ionic. CaF2 is Ionic and  NH4F is also ionic. Ionic compounds transfer electrons whereas covalent compounds share electrons hence the word "co". Also, ionic compounds are formed with metal and nonmetal. Where a covalent is with 2 nonmetals. Only ionic compounds would produce fluoride in water because ionic compounds can dissolve in water and covalent compounds cant.

we would need 2625.13 grams (or 2.62513 kilograms) of NaCl.

To calculate the mass of NaCl required to produce a 26.4 mol/L solution with a 1.7 L volume, we need to use the formula that relates the mass of solute, moles of solute, and molarity:Molarity (M) = moles of solute / liters of solution Rearranging this formula, we get:moles of solute = Molarity (M) x liters of solutionWe can use this formula to find the moles of NaCl needed:moles of NaCl = 26.4 mol/L x 1.7 L = 44.88 molNow, we can use the molar mass of NaCl to convert from moles to grams. The molar mass of NaCl is 58.44 g/mol:mass of NaCl = moles of NaCl x molar mass of NaClmass of NaCl = 44.88 mol x 58.44 g/mol = 2625.13 gTo produce a 26.4 mol/L solution with a 1.7 L volume.

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Answer:

1.9472857e+56

Explanation: Ask Google

Answer:

V «T, 1/P, n (Product of

Temperature, Half of pressure, and Moles)

Explanation: If V o n, V « 1/P, and V T

then, V« T, 1/P, n

The true statements about catalysts are the statement 1,2 and 3.

1. Catalysts increase the rate of reaction: Catalysts facilitate chemical reactions by providing an alternative reaction pathway with lower activation energy. They enhance the rate of the reaction without being consumed in the process.

2. Catalysts behave as reactants in the reaction mixture: Catalysts participate in the reaction by interacting with the reactants. They form temporary bonds with the reactant molecules, leading to the formation of an intermediate complex that ultimately results in the desired products.

3. Catalysts decrease the activation energy of a reaction: Catalysts lower the energy barrier required for a reaction to occur by providing an alternative pathway with a lower activation energy. This enables the reactants to overcome the energy barrier more easily, thus increasing the reaction rate.

4. Catalysts show no physical change at the end of the reaction: Catalysts are not consumed or permanently altered in the reaction. They remain chemically unchanged and are available to participate in subsequent reaction cycles.

The statement "Catalysts are required in large concentrations in a reaction" is false. Catalysts work effectively even in small concentrations, as their role is to facilitate the reaction rather than being directly involved in the stoichiometry of the reaction.

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Answer:Electrical Conductivity,soluble

Explanation:

Salt is a non-magnetic solid and is soluble in water. Sand is a non-magnetic solid and is insoluble in water.

Electrical Conductivity: Salt is an electrolyte and conducts electricity when dissolved in water or in a molten state. This is because salt dissociates into ions (Na+ and Cl-) that can carry electric current. In contrast, sand is a covalent compound and does not conduct electricity, as it does not dissociate into ions in the same way as salt. Sand is considered an insulator in terms of electrical conductivity.

C. The average dose of radiation that most people are exposed to every year not including dental or medical personnel dealing with X-rays is 2400 u Sv.

X-rays are a form of electromagnetic radiation, similar to visible light used for medical treatment and other forms of x ray inspection.

An X-ray, or, much less commonly, X-radiation, is a penetrating form of high-energy electromagnetic radiation.

The average dose of radiation that most people are exposed to every year not including dental or medical personnel dealing with X-rays is 2400 u Sv or 2.4 m u Sv.

Thus, the average dose of radiation that most people are exposed to every year not including dental or medical personnel dealing with X-rays is 2400 u Sv.

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Answer:

represents the additional driving force required to overcome barriers such as the large activation energy for the formation of a gas at a metal surface.

Answer:

   true

Explanation:

and don't look up the link everyone says it's scam bots

Answer:

159.609 g/mol

Explanation:

8moles of SO_2 need 11mol O_2

Moles of sO_2

\(\\ \rm\hookrightarrow \dfrac{5.62}{64}=0.1\)

So

Moles of O_2

We know

.......................

Answer:

moles reactant = 2, moles of products = 3

Explanation:

The reactants are on the left side of the equation. Although, energy (heat) is a reactant it will not factor into the calculation for moles. The coefficient is the number of moles for each substances. So for the reactant side NO would have 2 moles because the coefficient is 2. Using the same logic, NO on the product side will have 2 moles and O2 will be 1 mole. O2 has one mole because it is implied that you know anything multipled by one is the same number. So 1 mole of O2 is written as O2 and not 1 O2.

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Answer: 13.23 degrees C

Explanation:

Q= mc(Tfinal-Tinitial)

(Use the specific heat equation)

The final temperature of the water after the absorption of 12.28 kJ of energy has been 13.23 \(\rm ^\circ C\).

Specific heat can be defined as the amount of heat required to raise the temperature of 1 gram of a substance by 1 degree celsius.

The specific heat can be expressed as:

Heat = mass \(\times\) specific heat \(\times\) (Final temperature - Initial temperature)

From the given:

12.28 kJ = 325 g \(\times\) 4.184 J/g\(\rm ^\circ C\) \(\times\) (Final temperature - 4.2 \(\rm ^\circ C\))

12.28 \(\times\) 1000 J = 1,359.8 (Final temperature - 4.2 \(\rm ^\circ C\) )

12,280 = 1,359.8 (Final temperature - 4.2 \(\rm ^\circ C\) )

9.03 = Final temperature - 4.2 \(\rm ^\circ C\)

Final temperature = 13.23 \(\rm ^\circ C\)

The final temperature of the water after the absorption of 12.28 kJ of energy has been 13.23 \(\rm ^\circ C\).

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Answer:

The temperature of the iron block is 68.5°C.

Explanation:

The heat released during condensation of water is used to warm the iron block:

q = m_H2O * ΔH_vap = m_fe * c_fe * ΔT

where q is the heat released, m_H2O is the mass of water condensed, ΔH_vap is the enthalpy of vaporization for water, m_fe is the mass of iron, c_fe is the specific heat capacity of iron, and ΔT is the change in temperature of the iron block.

Rearranging the equation gives:

ΔT = (m_H2O * ΔH_vap) / (m_fe * c_fe)

Substituting the given values gives:

ΔT = (0.95 g * 44.0 kJ/mol) / (75.0 g * 0.449 J/(g°C))

ΔT = 46.5°C

Therefore, the final temperature of the iron block is:

T_f = T_i + ΔT = 22°C + 46.5°C = 68.5°C.

The final temperature of the iron block is 68.5°C.