Temperature of the water to the nearest degree:___ °C

Answer:

literss

Explanation:

on edge

Answer:

The food darkens.

Explanation:

The planes of cleavage that the mineral have is 1 as the mineral name is Muscovite mica.

The crystal lattice structure of a mineral affects its propensity to split or break along flat planar faces, or cleavage. These 2D surfaces, also known as cleavage planes, are produced by the alignment of atoms in the crystal structure or lattice through relatively weak connections.

The mineral depicted in the image is called "Muscovite mica," and it has layers that seem like flat sheets. Muscovite mica is far more likely to break along the layers because it only has weakly bonded potassium ions. There is just one ideal cleavage plane as a result. This cleavage is evident in the capacity to peel mica sheets.

Learn more about cleavage

brainly.com/question/10924382

#SPJ4

1.  the final concentration of NaOH after adding 125 mL of water to 45.3 mL of 0.71 M NaOH solution is approximately 0.189 M.

2.  the final concentration of KOH after adding 550 mL of water to 125 mL of 3.01 M KOH solution is approximately 0.557 M.

1.) If 125 mL of water is added to 45.3 mL of a 0.71 M NaOH solution, the resulting solution will be a diluted NaOH solution. The addition of water will increase the total volume while reducing the concentration of NaOH. To determine the final concentration of NaOH, we need to consider the conservation of moles.

First, let's calculate the moles of NaOH in the initial solution:

moles of NaOH = volume (in L) × concentration (in M)

moles of NaOH = 0.0453 L × 0.71 M = 0.0321433 moles

After adding 125 mL (0.125 L) of water, the total volume of the solution becomes 0.0453 L + 0.125 L = 0.1703 L.

To find the final concentration, we divide the moles of NaOH by the total volume:

final concentration of NaOH = moles of NaOH / total volume

final concentration of NaOH = 0.0321433 moles / 0.1703 L ≈ 0.189 M

Therefore, the final concentration of NaOH after adding 125 mL of water to 45.3 mL of 0.71 M NaOH solution is approximately 0.189 M.

2.) If 550 mL of water is added to 125 mL of a 3.01 M KOH solution, the resulting solution will also be a diluted solution. Again, we will apply the conservation of moles to determine the final concentration of KOH.

First, calculate the moles of KOH in the initial solution:

moles of KOH = volume (in L) × concentration (in M)

moles of KOH = 0.125 L × 3.01 M = 0.37625 moles

After adding 550 mL (0.55 L) of water, the total volume of the solution becomes 0.125 L + 0.55 L = 0.675 L.

To find the final concentration, divide the moles of KOH by the total volume:

final concentration of KOH = moles of KOH / total volume

final concentration of KOH = 0.37625 moles / 0.675 L ≈ 0.557 M

For more such questions on concentration visit:

https://brainly.com/question/28564792

#SPJ8

Approximately 0.967 moles of LiCl would occupy around 21.67 liters at STP.

To determine the volume of a given amount of substance, we need to know the molar volume, which is the volume occupied by one mole of the substance. However, the molar volume can vary depending on the conditions, such as temperature and pressure.

Assuming we are dealing with an ideal gas at standard temperature and pressure (STP), the molar volume is approximately 22.4 liters. This value is commonly used for gases in calculations.

Since we are given the amount of substance in moles (0.967 moles of LiCl) and we want to determine the volume in liters, we can use the molar volume as a conversion factor:

0.967 moles LiCl x (22.4 liters/1 mole) ≈ 21.67 liters

Learn more about molar volume, here:

https://brainly.com/question/29884686

#SPJ1

2 asymmetric carbon atoms are present in the molecule shown.

Asymmetric carbon atoms, also known as chiral carbon atoms or stereogenic carbon atoms, are carbon atoms that are bonded to four different groups or atoms. They are important in organic chemistry because they give rise to molecular asymmetry and the existence of enantiomers.

The presence of an asymmetric carbon atom in a molecule leads to chirality, which is the property of having two non-superimposable mirror image forms (enantiomers). Enantiomers have identical physical and chemical properties, except for their interaction with other chiral molecules, such as in biological systems.

The existence of enantiomers is significant because they can exhibit different biological activities, pharmacological effects, and reactivities. For example, one enantiomer of a drug may be therapeutically effective, while its enantiomer could be biologically inert or even produce adverse effects.

To learn more about carbon atoms, here

https://brainly.com/question/13990654

#SPJ4

An insulated cup contains 75 g of water at 24 °C. A 26 g sample of metal at 82.25°C is added. The final temperature of the water and metal is 28.34°C. The specific heat of the metal is 0.972 J/ g°C.

Given that :

Mass of the metal = 26 g

The specific heat of the metal = ?

Initial temperature of the metal = 82.25°C

Equilibrium temperature = 28.34°C

Mass of the water = 75 g

Specific heat of water = 4.18 J/ g°C

Initial temperature of the water = 24 °C

The specific heat capacity is given as :

26 × c × ( 82.25 - 28.34) = 75 × 4.18 ( 28.34 - 24)

26 × c × 53.91 = 313.5  × 4.34

c = 0.972 J/ g°C

Thus, the specific heat capacity of metal is 0.972 J/ g°C.

To learn more about specific heat here

https://brainly.com/question/15166473

#SPJ4

Answer:

cells, like plants and animals, also have membrane-bound nuclei and organelles (e.g., mitochondria, cytoplasmic curriculum, lysosomes). Cheek cells, like other squamous cells in animals, appear scale-like under the microscope.

Hope this helps!! if it does...

Plants and animal cell also have membrane-bound nuclei and organelles (e.g., mitochondria, cytoplasmic curriculum, lysosomes). Cheek cells, like other squamous cells in animals, appear scale-like under the microscope.

Cell is defined as the base of life as it is the structural as well as functional unit of life. Cell is made up of pre existing cells and the cell contain various cell organelles such as mitochondria, endoplasmic reticulum, ribosomes, golgi appratus, nucleus, and cytoplasm.

Basically, cell is of two type one in prokaryotic and another one is eukaryotic. The prokaryotic cell is known as pre mature cells as they do not contain cell organelles and eukaryotic cell are known as advanced and developed cells as they contain several cell organelles.

The unicellular animals are made up of single cell and all the functions carried out in a single cell like amoeba and multicellular organisms are made up of multiple cells and there is specific cell for specific functions.

Therefore, Plants and animal cell also have membrane-bound nuclei and organelles (e.g., mitochondria, cytoplasmic curriculum, lysosomes). Cheek cells, like other squamous cells in animals, appear scale-like under the microscope.

Learn more about cell here:

https://brainly.com/question/3142913

#SPJ2

the conversion of rust to iron and water flowing uphill are not spontaneous, as they require external energy to reverse the natural direction of these processes.

The spontaneous processes among the given options are the conversion of rust to iron, radioactive decay, and ice melting at room temperature and typical atmospheric pressure. Water flowing uphill is not a spontaneous process as it violates the second law of thermodynamics. Spontaneous processes occur naturally without any external influence. Among the given options, radioactive decay and ice melting at room temperature and typical atmospheric pressure are spontaneous processes. Radioactive decay happens without any intervention, and ice melting occurs when the surrounding temperature is above its freezing point. However, the conversion of rust to iron and water flowing uphill are not spontaneous, as they require external energy to reverse the natural direction of these processes.

To know more about spontaneous visit:

https://brainly.com/question/5372689

#SPJ11

Answer: Ice melting and radioactive decay

Answer:

A. Reduced precipitation is the cause of drought.

Explanation:

Reduced precipitation begins to insufficient water availability because water catch basins or tanks tend to dry out. When it drains out, people tend to start working and drying out the backup water sources and stored ones. Until such time, that the reservoirs of water will completely be dried out. And there will be no more water for them to use and there will be a drought.

hope this helps

Answer:

Option A

Explanation:

The first thing we need to do is calculate the mass of one mole of carbon dioxide, and we get:

(Mass of Carbon) + (Mass of 2 Oxygen atoms) = Molar mass

Therefore, carbon dioxide has a molar mass of 44 grams, which is the mass of the gas

In order to determine the mass of 4 molecules of carbon dioxide, we need to multiply it by 4 × 44 = 176g.

Hope this helps :)

\({ \qquad\qquad\huge\underline{{\sf Answer}}} \)

Here we go ~

lets calculate Molar mass of \({\sf CO_2} \) :

\(\qquad \sf  \dashrightarrow \: Molar \: \: mass \: \: of \: \: C O _2 = 12 + 2(16)\)

[ Molar mass of\({\sf \: CO_2 } \)= Molar mass of Carbon + 2×( Molar mass of Oxygen )]

\(\qquad \sf  \dashrightarrow \: Molar \: \: mass \: \: of \: \: C O _2 = 12 + 32\)

\(\qquad \sf  \dashrightarrow \: Molar \: \: mass \: \: of \: \: C O _2 = 44 \: g\)

[ i.e 1 mole of \({\sf CO_2} \) weights 44 grams ]

So, by unitary method :

\(\qquad \sf  \dashrightarrow \: 1 \: \: mole \: \: CO_2 = 44 \: \: g\)

\(\qquad \sf  \dashrightarrow \: 4 \: \: moles \: \: CO_2 = (44\times 4) \: \: g\)

\(\qquad \sf  \dashrightarrow \: 4 \: \: moles \: \: CO_2 = 176 \: \: g\)

Therefore, 4 moles of CO2 weights 176 grams

Based on the information provided, the temperature of the water to the nearest degree is 55°C.

The temperature, which is related to the heat inside a body can be measured by using a thermometer and by expressing it in degrees either using Celcius degrees or Fahrenheit degrees.

In this case, each of the lines in the thermometer represents 2°C, this means the temperature of the water is above 54°C and right below 55°C. Based on this, this temperature can be rounded to 55°C.

Learn more about the temperature in https://brainly.com/question/7510619

#SPJ1

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.

To know more about molarity, visit :

https://brainly.com/question/15406534

Answer:

Oxidation Reduction

Explanation:

Your welcome ;) Marking me brainliest would make me be very appreciative

Answer:

my answer is measuring cylinder

Nitrogen returns to the atmosphere through a process called denitrification.

This process is a vital component of the nitrogen cycle, which consists of several stages that ensure the circulation and transformation of nitrogen between the atmosphere, living organisms, and the environment. Here's a step-by-step explanation of how denitrification occurs:

1. Nitrogen fixation: Atmospheric nitrogen (N2) is converted into ammonia (NH3) by nitrogen-fixing bacteria or during natural processes like lightning. This makes nitrogen available for plants to use.

2. Nitrification: Ammonia is then converted into nitrites (NO2-) and nitrates (NO3-) by nitrifying bacteria. These are more accessible forms of nitrogen for plant absorption.

3. Assimilation: Plants absorb the nitrites and nitrates through their roots, incorporating the nitrogen into their cells for the production of proteins, DNA, and other essential molecules.

4. Ammonification: When plants and animals die, decomposer organisms break down their organic matter, releasing nitrogen in the form of ammonia back into the soil.

5. Denitrification: Finally, denitrifying bacteria convert nitrates and nitrites in the soil back into nitrogen gas (N2), which is released into the atmosphere, completing the nitrogen cycle.

Denitrification is an essential process that helps maintain the balance of nitrogen in the environment and ensures that it is available to support the growth and reproduction of plants and other living organisms.

To know more about Nitrogen:

https://brainly.com/question/19938608

#SPJ11

Answer:

Relationship: The Pressure on an Area and the Force Acting Perpendicularly to the Area. The pressure, , on an area, , is given by = , where is the force acting perpendicularly to all the sides of the area

Answer:

affected business many example

The mineral is approximately 2.11 billion years old.

The half-life of uranium-235 (U-235) is given as 704 million years. Since the current ratio of parent isotope (U-235) to daughter isotope (Pb-207) is 25% to 75%, we can determine the number of half-lives that have elapsed.

After one half-life (704 million years), half of the U-235 would have decayed to Pb-207, resulting in a 50% parent and 50% daughter ratio. However, in this case, the ratio is 25% parent and 75% daughter, indicating that two half-lives have passed.

So, each half-life is 704 million years, and two half-lives equal 1,408 million years, which is approximately 1.41 billion years. Adding the initial starting point of 100% U-235, the total age of the mineral is approximately 2.11 billion years.

To learn more about half-life, here

https://brainly.com/question/31666695

#SPJ4

Answer:

B

Explanation:

They use energy from sunlight to synthesise glucose from carbon dioxide and water.  

Answer:

Na

Explanation:

Answer:

It is Rb!!

for plato users

There are 44.62 grams of nitrogen gas in the balloon with a volume of 35.7 L at STP.

The volume of a balloon is 35.7 L at STP.

STP is the abbreviation for Standard Temperature and Pressure, which means a temperature of 273.15 K and a pressure of 101.325 kPa.

The number of grams of nitrogen gas in a balloon of this volume is requested.

A mole of any element has 6.02 × 1023 atoms, and the atomic mass of nitrogen is 14.01 grams.

One mole of a gas is equal to its molar volume, which is 22.4 L at STP. 1 mole of N2 gas = 28.02 g of N2 gas

STP's molar volume is 22.4 L, and the balloon's volume is 35.7 L.

That is, there are 35.7/22.4 moles of N2 gas in the balloon.= 1.59 moles of N2 gas

Since one mole of N2 gas weighs 28.02 g, 1.59 moles of N2 gas will weigh:

28.02 g/mol × 1.59 mol = 44.62 g

Therefore, there are 44.62 grams of nitrogen gas in the balloon with a volume of 35.7 L at STP.

For such more questions on nitrogen gas

https://brainly.com/question/31324537

#SPJ8

The volume of the carbon dioxide that is formed would be  59 L.

The first things that we would have to do is that we must be able to balance the reaction equation for the reaction that have been written here. And when we balance the reaction equation then we are going to have what I have written in the line below;

2C4H10 + 13O2 → 8CO2 + 10H2O

Thus;

Number of moles of the butane is

38 g/58 g/mol

= 0.66 moles

If 2 moles of butane produces 179.2 L of CO2

0.66 moles of butane will produce 0.66 * 179.2 /2

= 59 L

Learn more about volume:https://brainly.com/question/26954028

#SPJ1

Sodium is a chemical element hence it does not have calories. Calories refer to the unit of energy contained in food substances. Calories are always used in reference to food substances.

Sodium is one of the essential minerals in the body. It is very important in the functioning of the nervous system. However, sodium has also been linked to risks of heart failure and stroke.

Sodium is not an energy giving substance in food. It does not contain any calories because it is nothing more than just a chemical element. Only chemical compounds used as food such as carbohydrates, fats, proteins etc that have chemical bonds in them can release such energy as calories.

Learn more: https://brainly.com/question/1511190

Answer:

liquid ethanol can be separated from a mixture of ethanol and water by fractional distillation. This method works because the liquids in the mixture have different boiling points. When the mixture is heated, one liquid evaporates before the other.

Explanation:

hope this helps :3

Gasoline blending in petroleum refineries involves analyzing the properties of different components and determining the optimal mixing ratios to produce gasoline that meets specific octane rating and quality requirements.

Gasoline blending is a critical process in petroleum refineries where different components are combined to produce the desired gasoline product. In this example, the challenge is to blend gasoline from three different components.

To solve the gasoline blending problem, various factors need to be considered such as the desired octane rating, volatility, and environmental regulations. The first step is to determine the optimal proportion of each component based on their individual characteristics. This involves analyzing the properties of each component, such as its research octane number (RON), motor octane number (MON), and vapor pressure.

The second step is to develop a blending strategy that achieves the desired gasoline specifications. This involves determining the appropriate mixing ratios of the three components to meet the target octane rating and other quality requirements. The blending process requires precise calculations and adjustments to ensure the final gasoline product meets the desired specifications.

Additionally, economic considerations play a role in gasoline blending. The cost of each component and the market demand for specific gasoline grades can influence the blending decisions. Refineries aim to optimize the blend to minimize costs while meeting quality standards.

Learn more about Gasoline blending here:

https://brainly.com/question/13719873

#SPJ11

Answer:

200

Explanation:

more molecules thats all i know