Which of the following planets has ammonia clouds in its atmosphere?

Jupiter
Mars
Mercury
Venus

Answer:

0 degrees celcius love yall

can i get brainliest

The identity of a cation solution that produces a mix of red and yellow colors in a flame test, but appears red when viewed through a cobalt filter, can be attributed to the presence of the strontium (Sr) cation.

During a flame test, different metal cations emit characteristic colors due to the excitation of electrons and their subsequent emission of light. Strontium, in particular, is known to produce a vibrant red color in flame tests.

The presence of both red and yellow colors indicates the possibility of multiple metal cations in the solution. While the specific metal responsible for the yellow color is uncertain, it could potentially be sodium or another metal that emits a yellow flame.

When the flame is viewed through a cobalt filter, which absorbs yellow wavelengths of light, the yellow color is filtered out, resulting in only the red color being observed. Since strontium is known for its distinctive red flame color and its emission is not affected by the cobalt filter, it is likely the metal cation responsible for the observed red color. Therefore, based on these characteristics, the identity of the cation solution is most likely strontium (Sr).

Know more about cation solution here:

https://brainly.com/question/30754382

#SPJ8

Answer

The process has heat flow to the surroundings.

Explanation

Note that all phase changes are accompanied by changes in the energy of a system. Changes from a more-ordered state to a less-ordered state (such as a liquid to a gas) are endothermic. Changes from a less-ordered state to a more-ordered state (such as a liquid to a solid) are always exothermic.

A melted butter is in liquid phase and is allowed until it changes to solid at room temperature, this change is exothermic and exothermic process is accompanied by releasing heat to the surroundings.

Hence, the only process in the options that is true is:

The process has heat flow to the surroundings.

Answer:

4.0561×0.03÷63.5= 0.001916 mol cu

A coin is 3.00% Cu by mass. If the mass of the coin is 4.0561g, moles of Cu does it contain 0.001916 mole of Cu.

It is the most fundamental characteristic of matter and one of the fundamental quantities in physics.

Mass is a term used to describe how much matter is there in a body. The kilogramme is the SI unit of mass (kg). A body's mass does not alter at any point in time.

Given mass of coin = 4.0561g , moles =? , Cu by mass= 3.00%

4.0561×0.03÷63.5= 0.001916 mole Cu.

Thus, A coin is 3.00% Cu by mass. If the mass of the coin is 4.0561g, moles of Cu does it contain 0.001916 mole of Cu.

To learn more about mass, refer to the below link:

https://brainly.com/question/13592376

# SPJ2

Using the prefix method for covalent compounds, the names of the given compounds are shown below:

LIF: Lithium fluoride

Cl2O7: Dichlorine heptoxide

N2O3: Dinitrogen trioxide

SF6: Sulfur hexafluoride

Na3PO4: Sodium phosphate

A covalent bond is  described as a chemical bond that involves the sharing of electrons to form electron pairs between atoms.

The properties of covalent compounds includes:

Learn more about covalent compounds at:

https://brainly.com/question/3447218

#SPJ1

Answer: should be 4, 5, 4, 6

Explanation:

One mole of aluminum oxide or Al₂O₃ is 102 g/mol  . It contains 54 g of Al metal. Thus, 25.5 tones of aluminum oxide contains 13.5 tones of Al. Therefore, the maximum mass of aluminum that can be extracted is 13.5 tones.

Aluminum is 13 the element in periodic table. It is an electropositive element and exhibit metallic properties. Aluminum easily forms its oxides by reacting with atmospheric oxygen.

The molar mass of aluminum oxide Al₂O₃ is 102 g/mol. The atomic mass of Al is 27 g/mol. Thus 102 g of Al₂O₃ contains 54 g of Al. Therefore, the mass of Al in 25.5 tones or 25.5 ×10⁶ g of Al₂O₃ is calculated as follows:

mass of Al = (25.5 ×10⁶ g × 54 g) / 102 g

                  = 13.5  ×10⁶ g = 13.5 tones.

Therefore, the maximum mass of aluminum that can be extracted is 13.5 tones

To find more on aluminum, refer here:

https://brainly.com/question/12768349

#SPJ1

Based on the description of the potential energy diagram provided, the diagram made by the student appears to be correct.

The potential energy diagram represents the energy changes that occur during a chemical reaction. In an endothermic reaction, the products have higher potential energy than the reactants, meaning energy is absorbed from the surroundings.

The curve line on the graph indicates the energy changes throughout the reaction pathway. It starts at a higher level, representing the initial potential energy of the reactants. As the reaction progresses, the potential energy decreases, indicating the formation of products with lower potential energy.

The broken horizontal line from point X on the y-axis to the point where the curve begins represents the activation energy (Ea) of the reaction. Activation energy is the energy barrier that must be overcome for the reactants to convert into products.

Point X on the y-axis indicates the potential energy of the reactants at the start of the reaction, and the broken line shows the energy required to initiate the reaction.

The broken horizontal line from point Y on the y-axis to the point where the curve ends represents the potential energy of the products. Point Y represents the potential energy of the products at the end of the reaction.

Overall, the student's diagram correctly represents an endothermic reaction, showing the potential energy changes, the activation energy, and the final potential energy of the products. The curve line starts at a higher level (representing the higher potential energy of the reactants) and ends at a slightly lower level (representing the lower potential energy of the products).

For more such questions on potential energy diagram visit;

https://brainly.com/question/23343697

#SPJ8

Answer:

The answer to this question is 33.8

Answer:  none of the above

Explanation: all are endothermic

The mass of the object that is acted on by a force of 200 N is 100 kg

Mass can be defined as the quantity of matter a body contains.

To calculate the mass of the object, we use the formula below.

Formula:

Where:

From the question,

Substitute these values into equation 1

Hence, the mass of the object is 100 kg.

Learn more about mass here: https://brainly.com/question/19385703

#SPJ1

Answer:

To regulate a pressure chamber in a lab to STP (Standard Temperature and Pressure), the conditions inside the chamber need to be set to a temperature of 0 degrees Celsius (273.15 K) and a pressure of 1 atmosphere (101.325 kPa or 1013.25 hPa).

Let's assume that the three gases introduced into the pressure chamber are carbon dioxide (CO₂), nitrogen (N₂), and oxygen (O₂), and their initial quantities are as follows:

CO₂: 0.39 moles

N₂: 0.25 moles

O₂: 0.36 moles

To regulate the pressure chamber to STP, we need to calculate the total pressure of the gases inside the chamber and adjust it to 1 atmosphere if needed.

First, we need to calculate the total number of moles of gas in the chamber by summing up the moles of each gas:

Total moles of gas = moles of CO₂ + moles of N₂ + moles of O₂

Total moles of gas = 0.39 moles + 0.25 moles + 0.36 moles

Total moles of gas = 1.0 moles

Next, we can calculate the partial pressure of each gas using Dalton's Law of Partial Pressures, which states that the total pressure of a gas mixture is equal to the sum of the partial pressures of each gas:

Partial pressure of CO₂ = moles of CO₂ / total moles of gas * total pressure

Partial pressure of CO₂ = 0.39 moles / 1.0 moles * 1 atmosphere

Partial pressure of CO₂ = 0.39 atm

Partial pressure of N₂ = moles of N₂ / total moles of gas * total pressure

Partial pressure of N₂ = 0.25 moles / 1.0 moles * 1 atmosphere

Partial pressure of N₂ = 0.25 atm

Partial pressure of O₂ = moles of O₂ / total moles of gas * total pressure

Partial pressure of O₂ = 0.36 moles / 1.0 moles * 1 atmosphere

Partial pressure of O₂ = 0.36 atm

Now, we can check if the total pressure of the gases in the chamber is already at 1 atmosphere or if it needs to be adjusted.

Total pressure of gases = sum of partial pressures of each gas

Total pressure of gases = 0.39 atm + 0.25 atm + 0.36 atm

Total pressure of gases = 1.0 atm

Since the total pressure of the gases in the chamber is already 1 atmosphere, no adjustment is needed. The pressure chamber is already regulated to STP.

Explanation:

Answer:

6.4

Explanation:

Explanation:

The following formula is used to calculate the specific heat of substances:

c = Q/m. ΔT

Where,

c: specific heat (cal/g.°C or J/Kg.K)

Q: amount of heat (cal or J)

m: mass (g or kg)

ΔT: temperature variation (°C or K)

C: heat capacity (cal/°C or J/K)

In the International System (SI), specific heat is measured in J/Kg.K (Joule per kilogram and per Kelvin). However, it is very common to be measured in cal/g.°C (calorie per gram and per degree Celsius).

1 cal = 4.186 J

First, let's transform Joule into Cal:

1 cal ---- 4.186 J

x cal ---- 1,610 J

x = 384.6 cal

Second:

Find ΔT

ΔT = 32 - 22 = 10

Now let's replace these values in the formula:

c = 384.6/64*10

c = 0.6 cal/g.°C

Answer: c = 0.6 cal/g.°C

There are 576 different ways to choose a meal.

Promotional offers. A promotional offer is a specific proposition to clients that specifies a reward and patron behavioral standards for earning a reward. the recognition and trouble of the praise are captured thru a retail transaction, purchaser order, rebate claim, rebate redemption, or different patron interplay. a discount is a difference between the unique charge and the lower charge it's far being bought at. a proposal is a deal wherein a product is normally bought at a reduction.

Calculation:-

There are 8 appetizers, 12 entrees, and 6 desserts.

Number of choices =  8 × 12 × 6

                                =  576

Learn more about different meals here:-https://brainly.com/question/8880115

#SPJ1

The partial pressure of hydrogen in the collected gas sample is 733.0 mm Hg (calculated by subtracting the partial pressure of water, 17.0 mm Hg, from the total atmospheric pressure, 750.0 mm Hg).

When a gas is collected over water, the presence of water vapor affects the total pressure observed. In this case, the total atmospheric pressure is given as 750.0 mm Hg, and the partial pressure of water vapor at 19.5°C is 17.0 mm Hg.

To determine the partial pressure of hydrogen, we need to subtract the partial pressure of water vapor from the total atmospheric pressure. Partial pressure refers to the pressure exerted by an individual gas component in a mixture. In this scenario, the collected gas is primarily hydrogen, with water vapor being the other component.

By subtracting the partial pressure of water vapor (17.0 mm Hg) from the total atmospheric pressure (750.0 mm Hg), we can find the partial pressure of hydrogen:

Partial pressure of hydrogen = Total atmospheric pressure - Partial pressure of water vapor

Partial pressure of hydrogen = 750.0 mm Hg - 17.0 mm Hg

Partial pressure of hydrogen = 733.0 mm Hg

Therefore, the partial pressure of hydrogen in the collected gas sample is 733.0 mm Hg.

Know more about hydrogen here:

https://brainly.com/question/24433860

#SPJ8

The chemical equation for the decomposition of water is:

\(2 H_2O -- > 2 H_2 + O_2\)

To balance this equation, we need to count the number of atoms of each element on both sides of the equation.

On the left side of the equation, we have:

2 hydrogen atoms (2 H₂O)

2 oxygen atoms (2 H₂O)

On the right side of the equation, we have:

2 hydrogen atoms (2 H₂)

2 oxygen atoms (1 O₂)

We can see that the number of hydrogen atoms is already balanced, but the number of oxygen atoms is not. To balance the equation, we need to add a coefficient in front of O2 so that we have the same number of oxygen atoms on both sides.

The balanced equation is:

\(2 H_2O -- > 2 H_2 + 1 O_2\)

A compound is broken down into simpler compounds during a decomposition reaction. Different techniques, such as heating, exposure to light, or the inclusion of a catalyst, can be used to produce this reaction.

The reactant component splits into two or more products, which may be elements or compounds, during decomposition. A synthesis reaction, in which less complex substances join to create a more complex compound, is the antithesis of this reaction.

learn more about decomposition here

https://brainly.com/question/27746877

#SPJ1

The pH of the solution is 4.58.

pH which denotes "potential of hydrogen", is described as a scale used to specify the acidity or basicity of an aqueous solution.

In order to find the pH of the solution, we need to use the weak base-strong acid equation:

Kb = Kw / Ka = [CH3COO-][H+] / [CH3COOH]\

Ka = [H+][CH3COOH] / [CH3COO-]

[H+] = sqrt(Ka * [CH3COOH]) = √t(1.75x10^-5 * 0.15) = 1.36x10^-5 M

We then  find the concentration of acetate ions from the sodium acetate.

We have 2.05 g of sodium acetate, which is equivalent to 2.05 / (82.03 + (12 + 16 + 1) * 2) = 0.0163 moles.

[CH3COO-] = 0.0163 M

Kb = Kw / Ka = 1.36x10^-5 / 0.0163 = 8.36x10^-10

In conclusion,

pH = pKb + log([CH3COO-] / ([CH3COOH] + [CH3COO-]) = 4.58

Learn more about pH at: https://brainly.com/question/172153

#SPJ1

Answer:

C. Solids made of molecules

Answer:

C

Explanation:

Solids made of molecules

Answer:

DUDE ITS THE THIRD ANSWER FROM THE TOP

....... HOPE THIS HELPS ✌

Answer:

159.69 g/mol

Explanation:

Here's the answer hope it helps

Answer:

B

Explanation:

An electroplating happen when metal ions form a solid layer on a metal cathode. Therefore, option B is correct.

The term electroplating is defined as the process of aligning another metal on the metal. Electroplating is usually used to change the physical properties of an object.

An electroplating is accomplished by an electroplating apparatus that contain a brine solution, a battery, wires, and alligator clips that kept carbon rods attached to the metal to be electroplated and the metal to be layered.

This process is used to give objects increased wear resistance, corrosion protection or aesthetic appeal and greater thickness. While electroplating is like advanced technology. It is primarily used to change the physical properties of an object.

Thus, option B is correct.

To learn more about an electroplating, follow the link;

https://brainly.com/question/20112817

#SPJ5

A stick of butter weighs 0.25lbs. The weight of the stick of butter in milligrams is 113398.1.

Milligrams are the measurement quantity that is used to measure a substance in very minute quantities. It is the SI unit of mass. It is equivalent to one thousand grams.

lb is the symbol of a pound. It is used to measure an object in American and British systems of measurement. It is a value of weight.

1 lb = 453592 milligrams

0.25 lbs = 113398.1 milligrams

Therefore, the weight of the stick of butter in milligrams is 113398.1.

To learn more about milligrams, refer to the link:

https://brainly.com/question/8161648

#SPJ1

In this letter, express gratitude to your uncle, a university professor, for his invitation and congratulate him on his achievements.

Here are the steps to be followed:

By following these steps, you can write a thoughtful and appreciative letter to your uncle, expressing your gratitude for his invitation and congratulating him on his achievements.

Know more about Letter here:

https://brainly.com/question/18879087

#SPJ8

Answer:

all you have to so answer it all done

The properties of a natural resource that make it useful for humans as a material or energy source is the ability to convert mass into energy and vice versa.

The expression natural resources make reference to all types of matter and energy extracted from nature that can be used to produce goods and services.

Some examples of natural resources include for example irreversible resources such as fossil fuels (i.e., oil, or coal, gas, minerals such as metals, rocks, etc) as well as those based on the use of reversible energy such as eolic air energy, solar radiation or sunlight, soil and hydric resources or water.

Therefore, with this data, we can see that natural resources can be defined as any material and or energy obtained from nature that may be irreversible or reversibly used to produce goods and services.

Learn more about natural resources here:

https://brainly.com/question/24514288

#SPJ1

Answer:

56.4 inches

hope this helps

Explanation: ft to inches conversion