A 5. 5 g piece of metal is heated, and the amount


of energy transferred is 9624 ). If the specific


heat of the metal is 0. 74 J/g°C, what is the change


in temperature?

The heat released is equal to the heat gained. Hence, the final temperature is 62.5∘ C.

A temperature gradient is a physical quantity that describes in which direction and at what rate the temperature changes the most rapidly around a particular location. The temperature gradient is a dimensional quantity expressed in units of degrees per unit length. The SI unit is kelvin per meter.

In weather forecast and climate, the differences between the air temperature between between different locations. The planetary surface's absorption of solar light raises the temperature gradient and may cause convection (a major process of cloud formation, often associated with precipitation). Since meteorological fronts are the boundaries between air masses with distinctly different characteristics, the horizontal temperature gradient may reach relatively high values in these areas.

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Answer:

Metallic character of the element

Explanation:

Answer:

Yes oxygen is more reactive than beryllium

Elemental beryllium is very unreactive towards air and water, even at high temperatures.

Answer:

Explanation:

See attachment

Answer:

The correct answer is A

Explanation:

A radio telescope is used to detect, collect and focus radio waves from distant objects in the sky or space. While a compound telescope, by design, can both refract and reflect waves. A reflection telescope uses curved mirrors to reflect light to form an image. A refraction telescope forms an image using a lens as its objective.

From the above definitions, it can be deduced that option A is the correct answer.

Answer:

yes it willl change and like this moonson happens.

Answer:

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Answer:

The mole ratio for iron (iii) oxide to aluminium is

1:2

In the titration of 2.00 mL of vinegar, it takes 15.32 mL of 0.100M NaOH (aq) to neutralize acetic acid in vinegar. The number of moles of NaOH (aq) is:
The number of moles of NaOH (aq) is 0.001532 moles.

To calculate the number of moles of NaOH (aq), we can use the formula:
moles = volume (L) × concentration (M)
First, convert the volume of NaOH from mL to L:
15.32 mL * (1 L / 1000 mL) = 0.01532 L
Next, multiply the volume by the concentration:
0.01532 L × 0.100 M = 0.001532 moles

Summary: In the titration of 2.00 mL of vinegar, 0.001532 moles of 0.100M NaOH (aq) were used to neutralize the acetic acid in the vinegar.

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There is great relationship between the SI unit for volume and length because the base unit is same.

The base units of length and volume are linked to each other in the metric system because the unit of volume is cubic meters while on the other hand, the unit of length is meter. The unit of volume is three times of the unit of length. There is direct relationship between volume and length due to the similar of their base units. So volume and length are related to each other.

So we can conclude that there is great relationship between the SI unit for volume and length because the base unit is same.

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The net ionic reaction for MnBr₂ +  Na₂SO₃ is  Mn²⁺(aq) + SO₃²⁻(aq) → MnSO₃(s).

The net ionic reactiion for MnBr₂ + Na₂SO₃ can be determined using the following steps:
1. Write the balanced molecular equation:
MnBr₂(aq) +  Na₂SO₃(aq) → MnSO₃(s) + 2NaBr(aq)
2. Write the total ionic equation by dissociating the strong electrolytes:
Mn²⁺(aq) + 2Br⁻(aq) + 2Na⁺(aq) + SO₃²⁻(aq) → MnSO₃(s) + 2Na⁺(aq) + 2Br⁻(aq)
3. Identify and remove the spectator ions (those that appear on both sides of the equation):
Mn²⁺(aq) + 2Br⁻(aq) + 2Na⁺(aq) + SO₃²⁻(aq) → MnSO₃(s) + 2Na⁺(aq) + 2Br⁻(aq)
Spectator ions: 2Na⁺(aq) and 2Br⁻(aq)
4. Write the net ionic equation by removing the spectator ions:
Mn²⁺(aq) + SO₃²⁻(aq) → MnSO₃(s)
So, the net ionic reaction for MnBr₂ + Na₂SO₃ is Mn²⁺(aq) + SO₃²⁻(aq) → MnSO₃(s).

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Answer:

kcgiobb jkffiob hffyio hiiddhoo hhioiv

Answer: Have a blessed day

Explanation:

Water Cycle: Component # 1. Evaporation:

Evaporation is the process where a liquid changes from its liquid state to a gaseous state. Liquid water becomes water vapour. Temperature is the primary factor for evaporation.

During the water cycle the water of the oceans and freshwater bodies, such as lakes and rivers, is warmed by the sun and evaporates. During the process of evaporation, impurities in the water are left behind. As a result, the water that goes into the atmosphere is cleaner than it was on Earth.

Water Cycle: Component # 2. Condensation:

Condensation is the opposite of evaporation. Condensation is the process where a gas is changed into a liquid. Condensation occurs when the temperature of the vapour decreases.

The water droplets formed from condensation are very small and they remain suspended in the atmosphere. There millions of droplets of suspended water form clouds in the sky or fog at ground level. Water condenses into droplets only when there are small dusts particles present around.

Water Cycle: Component # 3. Precipitation:

When the temperature and atmospheric pressure are right, the small droplets of water in clouds form larger droplets or raindrops and it is called precipitation. The raindrops fall to earth.

As a result of evaporation, condensation and precipitation, water travels from the surface of the Earth goes into the atmosphere, and returns to Earth again.

Water Cycle: Component # 4. Surface Runoff:

Much of the water that returns to Earth as precipitation runs off the surface of the land and flows down-hill into streams, rivers, ponds and lakes. Small streams flow into the ocean. Surface runoff is an important part of the water cycle because, through surface runoff, much of the water returns again to the oceans, where a great deal of evaporation occurs.

Water Cycle: Component # 5. Infiltration:

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Infiltration is an important process where rain water soaks into the ground, through the soil and underlying rock layers. Some of this water ultimately returns to the surface at springs or in low spots downhill. Some of the water remains underground and is called groundwater.

As the water infiltrates through the soil and rock layers, many of the impurities in the water are filtered out. This filtering process helps in cleaning of the water.

Water Cycle: Component # 6. Transpiration or Evapotranspiration:

This is performed by plants. As plants absorb water from the soil, the water moves from the roots through the stems to the leaves. Once the water reaches the leaves, some of it evaporates from the leaves, adding to the amount of water vapour in the air. This process of evaporation through plant leaves is called transpiration. In large forests, an enormous amount of water will transpire through leaves.

Explanation:

I know only one.You are in form.....

The volume of pure gold has a mass of 65.4g and a density of 9.3g/cm3 is   3.3886 cm3.

Solution :

∵ density = mass ÷ volume

⇒ volume = mass ÷ density

∴ volume of pure gold = (mass of gold) ÷ (density of gold)

                                      = 65.4 ÷ 19.3

  The volume of pure gold = 3.3886 cm3

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An increase in H+ concentration will decrease OH- concentration is the

reason why it's impossible.

An acidic compound has the presence of H+ ions in them while basic

compounds have the presence of OH- ions.

In a solution , as the number of Hydrogen ions increases, it leds to a

corresponding decrease in the Hydroxide ions which is the reason why

they can't coexist at the same time.

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A solution cannot be both acidic and basic at the same time because an increase in the H+ concentration will lead to a decrease in OH- concentration in the same solution.

pH is the degree of acidity or alkalinity of a solution.

pH = -log [H+]

Also

pOH = -log [OH-]

Mathematically, pH + pOH = 14

Thus, for a given solution, as the pH increases, pOH decreases, and vice versa.

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A liquid at 50 degrees Celsius would have a melting point of 50 degrees Celsius and a boiling point of approximately 173.15 degrees Celsius.

What is the liquid?

iquid is a state of matter that has a definite volume, but does not have a fixed shape. It is one of the four fundamental states of matter, along with solid, gas, and plasma. Liquids tend to have a greater volume than solids, but geneLrally take the shape of their container. Examples of liquids include water, milk, blood, gasoline, and oil. Liquids are composed of molecules that tend to have greater mobility and can easily flow past each other. Depending on the temperature, pressure, and composition of the liquid, it can undergo changes in the state of matter.

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The carbon that is attached to the oxygens in CH₃COOH (acetic acid) is sp2 hybridized. This is because it is attached to three atoms (one oxygen and two hydrogens) and has a trigonal planar geometry.

The molecule with the greatest dipole moment is CH₂Cl₂(dichloromethane) because it has a tetrahedral geometry and the two C-Cl bonds are oriented in opposite directions, creating a net dipole moment. The other molecules (CCl₄, CF₄, and Br₂CCl₂) are all symmetric and have zero dipole moment.

A chemical concept known as hybridization describes the bonding and geometry of molecules. It entails combining atomic orbitals to create hybrid orbitals, which can more accurately capture the bonding in a molecule. The number of hybrid orbitals formed is equal to the number of atomic orbitals combined. Atomic orbitals with similar energy levels are merged to create the hybrid orbitals. An atom's geometry, bond angles, and polarity can all be impacted by hybridization, which can then have an impact on the molecule's reactivity and physical characteristics. Foreseeing the forms and characteristics of molecules as well as explaining their chemical behaviour requires an understanding of atom hybridization.

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Answer:

meter

have a nice holiday

Answer:

The Meter

Explanation:

In the metric system, the meter is the standard measurement of length.

Hope it helped!

The liquid and Solid states are called the Condensed states of matter because their particles are very close together.

In the bodily sciences, a particle (or corpuscle in older texts) is a small localized item that can be defined with the aid of numerous physical or chemical residences, consisting of extent, density, or mass. they range greatly in size or amount, from subatomic debris just like the electron, to microscopic debris like atoms and molecules, to macroscopic particles like powders and other granular materials. debris also can be used to create clinical fashions of even larger items depending on their density, which includes people shifting in a crowd or celestial bodies in motion.

The term particle is rather fashionable in meaning and is refined as needed with the aid of numerous clinical fields. whatever is composed of particles may be referred to as being particulate. but, the noun particulate is maximum frequently used to consult pollutants within the Earth's surroundings, which are a suspension of unconnected particles, as opposed to connected particle aggregation.

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Answer:

everything can be found in the picture

Answer:

The answer is A

Explanation:

The reactivity of an element is based on the electrons in its outer shell

The reaction produces CH3COONa and water.The reaction is given below:

CH3COOH + NaOH → CH3COONa + H2O

Hence, the substance that will give an aqueous solution of

pH<7 is CH3COONa.

Among the given options, the substance that will give an aqueous solution of

pH<7 is CH3COONa.

The answer is d. CH3COONa.What is the pH scale?The pH scale ranges from 0 to 14. A pH of 7 is regarded as neutral. A solution is acidic if its pH is less than 7. If the pH of the solution is greater than 7, it is considered to be basic. Water, with a pH of 7, is neutral. The formula of acetic acid is CH3COOH. The salt of this acid is CH3COONa, which is called sodium acetate. When acetic acid is completely ionized, sodium acetate is formed. In the reaction, the H+ ions from acetic acid react with the OH- ions from sodium hydroxide, producing water. The reaction produces CH3COONa and water.The reaction is given below:

CH3COOH + NaOH → CH3COONa + H2O

Hence, the substance that will give an aqueous solution of

pH<7 is CH3COONa.

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Answer:

Plant fertilization

Explanation:

Hope this helps:) Have a great day

Please give Brainliest if could

Answer: True

Explanation:

The temperature of the nitrogen gas is  33.92 Kelvin

How to solve:

To get the temperature of the nitrogen gas, we will use the ideal gas equation:

PV = nRT

where:

P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature. First, let's change the equation to account for temperature:

T = PV/(nR)

Presently, we can connect the given qualities:

The ideal gas constant, R, is 0.0821 L-atm/(mol-K), with P = 0.975 atm and V = 1.68 L and n = 0.589 mol.

Adding the following values to the equation:

T = (0.975 atm * 1.68 L) / (0.589 mol * 0.0821 L atm/(mol K)) T = 1.6332 atm L / (0.04813 L atm/(Kmol))

The nitrogen gas's temperature is 33.92 Kelvin because;

T = 1.6332 / 0.04813 K

T = 33.92 K.

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An electron domain consists of ; All of the above options  i.e.  a ) nonbonding pair of electrons   b) a single bond     c) a multiple bond.

An Electron domain is the number of bonded locations ( lone pair or bonded ) found around an atom. and the bond location is independent of the type of bonding existing between atoms in a molecule.

Electron domain are also known as electron groups. the types of electron domain are ; nonbonding pair of electrons and bonded atom.

Hence we can conclude that An electron domain consists of ; nonbonding pair of electrons,  a single bond and  a multiple bond.

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Answer:

32.958 g/mol

2.52 moles

Explanation:

Finding the molar mass:

Use the periodic table to determine the masses of each element

6.94+12.011+14.007=32.958 g/mol

Moles:

83 g*1 mol/32.958 g = 2.5183566964 moles

\(\\ \sf\longmapsto LiCN\)

\(\\ \sf\longmapsto 7u+12u+14u\)

\(\\ \sf\longmapsto 21u+12u\)

\(\\ \sf\longmapsto 33u\)

\(\\ \sf\longmapsto 33g/mol\)

\(\\ \sf\longmapsto \dfrac{83}{33}\)

\(\\ \sf\longmapsto 2.5mol\)

Anser:

Explanation:

hope this helps