Potassium hydroxide (KOH) reacts with sulfuric acid (H2SO4) to produce potassium sulfate (K2SO4) and water (04.03 MC)

Answers

Answer 1

Answer: A double replacement because potassium ions bond with sulfate ions to form a salt

Explanation:


Related Questions

what happens when you add metal to carbonate

Answers

When acids react with carbonates, such as calcium carbonate, a salt, water and carbon dioxide are made. Also, the reaction of metal carbonates with acids is exothermic, heat energy is given.

How many atoms are in 0.075 mol of titanium?

O 4.5 x 1022
O 1.2 x 10-25
O 6.4 x 102
O 2.2 x 1024

Answers

Answer:

The answer is

4.5 × 10²²

Explanation:

To find the number of atoms of titanium , given it's number of moles we use the formula

N = n × L

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question

n = 0.075 mol

We have

N = 0.075 × 6.02 × 10²³

We have the final answer as

4.5 × 10²²

Hope this helps you

what is the population of the study​

Answers

Answer:

The study population is the subset of the target population available for study (e.g. schizophrenics in the researcher's town). The study sample is the sample chosen from the study population.

Explanation:

In research terminology the Population can be explain as a comprehensive group of individuals, institutions, objects and so forth with have a common characteristics that are the interest of a researcher. Any value which is identified or measured from the characteristics of entire population can be called as Parameter.

1.04 x 10^-3 pm to mm

Answers

Answer:

1 pm = 10^-12 m = 10^-10 cm = 10^-9 mm

1.04 x 10^-3 pm = 1.04 x 10^-3 x 10^-9

= 1.04 x 10^-12 mm.

Hope it helps...

limestone is a common building block used in texas and is a type of rock that forms in shallow marine settings due to selective precipitation some of the dissolved ions present in the marine setting are sodium potassium calcium nitrate chloride carbonate which ions form limestone

Answers

Answer:

Ca^+ and CO3^2-

Explanation:

Limestone is CaCO3. It is an important component of the shell of many species that have shells.

Limestone contains th calcium ion (Ca^+) and the carbonate ion (CO3^2-).

Limestone is used as a building material. It is usually mined as deposits below the ground.

i need help with this ASAP

Answers

A: the ice came from it snowing and the water freezing I the night.

B: there is ice on the windshield because of water water residue that froze.

C: I don’t know sorry.

How is Science involved in the way a firework works?

Answers

the energy, fire, sparks, the bombs and all that stuff

Obsidian is a best fit to which of the following categories?
O Mineral
O Rock
O Mineraloid
O Mineralistic

Answers

.Rock or mineral is the answer tell me if I’m wrong

8.3 kg, 1.7 Kg/cm3
-> ? cm3

Answers

Answer:

4.9 cm³

Explanation:

Given data:

Mass value = 8.3 kg

Density = 1.7 kg/cm³

Volume = ?

Solution;

In given question from the units we got to know that the mass and density value is given and we have to calculate the volume.

Thus, we will apply density formula.

Density = mass/ volume

d = m/v

1.7 kg/cm³ = 8.3 kg/ v

v =  8.3 kg/ 1.7 kg/cm³

v = 4.9 cm³

Thus, the volume is 4.9 cm³.

find the atomicity of water ​

Answers

Answer:

atomicity of water is 3

Explanation:

Answer:

please mark brainliest!

Explanation:

one molecule of water contains two atoms of hydrogen and one atom of oxygen, the atomicity of water is three.

Help me. I need help on these questions and i don’t understand

Answers

I would love to help but I don’t know sorry

Which is not on a station model? *

precipitation

wind direction

fronts

cloud cover

Answers

The answer is fronts

NEED ANSWER FAST✴️✴️✴️✴️
What do phytoplankton do for the carbon cycle? Choose all that apply.


A. They take in oxygen for photosynthesis.

B. They take in carbon dioxide for photosynthesis.

C. When they die, the carbon left in them can be sequestered (stored) in the ocean bottom.

D. They are food for many animals, including some whales.

Answers

B. Phytoplankton are responsible for most of the transfer of carbon dioxide from the atmosphere to the ocean. Carbon dioxide is consumed during photosynthesis, and the carbon is incorporated in the phytoplankton, just as carbon is stored in the wood and leaves of a tree.

PLS HELP NOW!!



1. List the functions of the respiratory system. - [Answer]

2. Describe the path that a molecule of oxygen takes as it moves from the air into the alveoli. - (Answer)

3. Explain what happens to carbon dioxide in the blood that flows through the capillaries in the alveoli. - [Answer]

4. Why does air rush into your body when you inhale? - (Answer]

5. When there is a lot of dust in the air, people often cough and sneeze Fynliniul

Answers

Answer:

1:Gas Exchange – oxygen and carbon dioxide.

Breathing – movement of air.

Sound Production.

Olfactory Assistance – sense of smell.

Protection – from dust and microbes entering body through mucus production, cilia, and coughing.

Explanation:

The atomic number equals:
O The number of protons and the number of neutrons.
O The number of protons and the number of electrons.
The number of electrons and the number of neutrons.
O The number of protons plus the number of neutrons.

Answers

Answer:

B- the number of protons and the number of electrons.

Explanation:

The atomic number equals the change on the nucleus. It therefore also equals the number of protons in the nucleus and also equals numerically the number of electrons in thw neutral atom. The atomic number has the symbol Z.

ASAP MULTIPLE CHOICE WILL MARK BRAINLIEST
Sulfur has an atomic number of 16.
What is the electron configuration for an electronically neutral atom of sulfur?
Use an aufbau diagram.

1s22s22p63s23p3

1s22s22p63s23p5

1s22s22p63s23p6

1s22s22p63s23p4

Answers

Answer:

1s^2 2s^2 2p^6 3s^2 3p^4

Explanation:

i has picture here of correctness.

Why is it beneficial for chemists to understand as many periodic trends as they can?

Answers

Answer:

It can help identify elements quicker.

Explanation:

Typically, water runs through the baseboard copper tubing and, therefore, fresh hot water is constantly running through the piping. However, consider a pipe where water was allowed to sit in the pipe. The hot water cools as it sits in the pipe. What is the temprature change, (ΔT), of the water if 210.0 g of water sat in the copper pipe from part A, releasing 3178 J of energy to the pipe? The specific heat of water is 4.184 (J/g)⋅∘C.

Answers

Answer:

-3.617 °C

Explanation:

Step 1: Given data

Mass of water (m): 210.0 g

Energy released in the form of heat (Q): -3178 J (the minus sign corresponds to energy being released)

Specific heat of water (c): 4.184 J/g.°C

Temperature change (ΔT): ?

Step 2: Calculate the temperature change

We will use the following expression.

Q = c × m × ΔT

-3178 J = 4.184 J/g.°C × 210.0 g × ΔT

ΔT = -3.617 °C

If velocity is positive, which would most likely yield a negative acceleration?

A final velocity that is faster than an initial velocity.
A time that is less than a half hour.
An initial velocity that is faster than a final velocity.
A time that is greater than a half hour.

Answers

Answer:

C. An intitial velocity that is faster than a final velocity.

Explanation:

taking the test rn but it makes sense because you'd have to slow down to get  a lesser final velocity.

Answer:

C

Explanation:

Find the speed of the ATV that goes 60 miles in 2 hours._______________________ m/hr

Answers

Given parameters:

Distance of ATV  = 60miles

Time = 2hrs

Unknown:

Speed  = ?

Solution:

Speed is a scalar quantity. It has magnitude but no direction. Mathematically, speed is distance divided by time.

                      Speed  = [tex]\frac{distance}{time}[/tex]

 Input the parameters;

              Speed  = [tex]\frac{60}{2}[/tex]  = 30miles/hr

The speed of the ATV is 30miles/hr

Using the enlarged metric ruler segment shown below, what is the length of the
blue line in centimeters?

Answers

Answer:

1.8 cm

Explanation:

To measure length, use a metric ruler. It is separated into centimeter-sized units. One centimeter is represented by each number on the ruler. The longest mark is the centimeter.

What is the enlarged metric ruler segment?

A metric scale is used to quantify traits or variables. Interval scales, ratio scales, and absolute scales are all grouped under the phrase “metric scale.”

The majority of statistical calculations and comparisons are possible with quantitative numerical values.

To the nearest tenth of a centimeter (0.1 cm), a metric ruler, for instance, may measure length. Using a separate metric ruler, you can measure lengths to the nearest 0.05 centimeters (0.05 cm).

The measurement with the lowest degree of uncertainty (0.05 cm) is more accurate.

Therefore, 1.8 cm is the length of the blue line in centimeters.

Learn more about metric ruler segment here

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!DUE SOON PLEASE HELP!
Classify the chemical equations as being balanced or not balanced.
CaO + 3C → CaC2 + CO
Na + H2O → 2NaOH + H2
4Fe + O2 → 2Fe2O3
2Mg + O2 → 2MgO

Answers

Answer:

balanced;

unbalanced;

unbalanced;

balanced;

Explanation:

CaO + 3C → CaC2 + CO  //all elements are balanced

Na + H2O → 2NaOH + H2  //Na is not balanced on the left

4Fe + O2 → 2Fe2O3  //O is not balanced on the left

2Mg + O2 → 2MgO //left is equal to right, balanced

You have decided to bake a cake. You mix all of your ingredients together to make a delicious chocolate cake. Then, you bake your cake at 350 degrees fahrenheit. You have to perform both a physical and a chemical change to bake a cake. What is the chemical change? Include at least 2 pieces of evidence or indicators to explain how you know it was a chemical change.

Answers

Answer:

A gas is evolved

The ingredients can not be recovered

Explanation:

A chemical change is one in which a new substance is formed and it is not easily reversible.

One major ingredient used in cake baking is the baking powder or baking soda.

Baking a cake can be viewed as a chemical change. This is because, when the baking powder or soda is added in the presence of yeast, carbon dioxide gas is evolved as tiny bubbles of gas which makes the cake light and fluffy. Heat is equally given off in the process. The baking powder and other cake ingredients can not be recovered, hence, we can conclusively assert that a chemical change has taken place.

The difference in the direction is caused by the ______________.Please help!

Answers

What don’t understand question

When all the values in a data set are written in order from least to greatest, the value that is in the middle, wth an equal number of values below it and equal number of values above it, is called the Omedian O mean O mode Orange​

Answers

Option A, median is the correct answer

What location of an atom are protons,neutrons, and electrons found

Answers

Answer:

Nucleus is the answer of your question

Answer:

nucleus is your awnser

Name two test substances that would react with each other to produce water and salt​

Answers

How many points is this worth... ?

How many non metals are there in benzoic acid?

Answers

Answer:

There are 3 non-metals in benzoic acid.

Explanation:

They are Hydrogen, Oxygen, and Carbon.

what is the differences of sitsiritsit and atin cu pung singsing​

Answers

Answer:

'Sitsiritsit' is a popular folk song of Filipino.

'Atin cu pung singsing​' is a popular folk song of Kapampangan.

Explanation:

'Sitsiritsit' is a popular folk song of Filipino.

The song presents a picture of the rustic life that the people used to live. It focuses on the life of the people during the Spanish colonization.

In the song, a woman yells and threatens at a store owner. She asks him to increase the limit of the credit amount or the ants will get him.

'Atin cu pung singsing​' is a popular folk song of Kapampangan.

The song presents the feelings of a girl who is looking for her lost ring. She feels very gloomy about this. She brings a proposal that whoever would bring her the ring would be her love forever.

helllllllpppppp pleeeaaassseee

Answers

Answer:

The density of ice ice is lesser than that of water that's why ice floats on water. So hence, the answer is C

Answer:

Less than that of water

Explanation:

This explains why icebergs float on water. If it was greater than that of water icebergs would sink.

If this helped please consider marking me as brainliest.

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