Name the compound of calcium used for disinfecting water. Give its chemical formula.​

1. Accept and celebrate differences. One of the biggest challenges we experience in relationships is that we are all different. We can perceive the world in many ways. Certainly astumbling block that we come across when we try to build relationships is a desire or an expectation that people will think like we do and, in this way, it is so much easier to create a rapport. We feel more comfortable when we feel that people “get” us and can see our point of view. Life, however, would be very dull if we were all the same and, while we may find it initially easier, the novelty of sameness soon would wear off. So accepting and celebrating that we are all different is a great starting point.

2. Listen effectively. Listening is a crucial skill in boosting another person’s self-esteem, the silent form of flattery that makes people feel supported and valued. Listening and understanding what others communicate to us is the most important part of successful interaction and vice versa.

Active or reflective listening is the single most useful and important listening skill. In active listening, we also are genuinely interested in understanding what the other person is thinking, feeling, wanting, or what the message means, and we are active in checking out our understanding before we respond with our own new message. We restate or paraphrase our understanding of their message and reflect it back to the sender for verification. This verification or feedback process is what distinguishes active listening and makes it effective.

3. Give people your time. Giving time to people is also a huge gift. In a world where time is of the essence and we are trying to fit in more than one lifetime, we don’t always have the time to give to our loved ones, friends, and work colleagues. Technology has somewhat eroded our ability to build real rapport and we attempt to multi-task by texting and talking at the same time.

Being present in the time you give to people is also important, so that, when you are with someone, you are truly with someone and not dwelling in the past or worrying about the future. The connection we make with other people is the verytouchstone of our existence, and devoting time, energy, and effort to developing and building relationships is one of the most valuable life skills.

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Answer: according to ck12.org "Heat is the sum of all the kinetic energies of all the molecules of an object, while temperature is the average kinetic energy of the molecules of an object."

Explanation:

I hope this helped!

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Answer:

I think the answer is a

Explanation:

An atom loses mass when the atom experiences radioactive decay.

What is radioactive decay?

Radioactive decay is when the balance of protons and neutrons in the nucleus isn't quite right, so it emits particles and energy.

Radioactive decay is when the nucleus of an atom isn't stable - it could have too many protons that push each other apart, or too many neutrons, and it's just like a big lump of rock and can fall apart.

There are three kinds of radioactive decay, all named after Greek letters: alpha (α), beta (β) and gamma (γ).

Hence, option A is the correct answer.

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Answer:

c

Explanation:

Answer:

Explanation:

a is a physical change you could put the peices back together

b is a chemical change because you cant unburn wood  

c is a chemical change because you cant unbake it

d is a physicl change you could te your time and unmix it

Answer:

9.1 mol

Explanation:

The balanced chemical equation of the reaction is:

CO (g) + 2H2 (g) → CH3OH (l)

According to the above balanced equation, 2 moles of hydrogen gas (H2) are needed to produce 1 mole of methanol (CH3OH).

To convert 36.7 g of hydrogen gas to moles, we use the formula;

mole = mass/molar mass

Molar mass of H2 = 2.02g/mol

mole = 36.7/2.02

mole = 18.17mol

This means that if;

2 moles of H2 reacts to produce 1 mole of CH3OH

18.17mol of H2 will react to produce;

18.17 × 1 / 2

= 18.17/2

= 9.085

Approximately to 1 d.p = 9.1 mol of methanol (CH3OH).

Answer:

Student 2. Sugar dissolves the fastest in hot liquids, which means immediately stirring it in a hot liquid and THEN adding a colder one will yield the best results.

Explanation:

This is actually how I was always taught to make sweet tea.

Answer:i dont know

Explanation:

I D

K

To raise the temperature of 250.0 g of mercury by 52°C with a specific heat capacity of 4.18 J/ g°C the heat required is 5.434×10¹ kJ.

For a substance, it's specific heat capacity is the amount of energy required to raise the temperature of unit mass of that substance by 1°C.

If, specific heat capacity (c) = 4.18 J/ g°C

Mass of the substance (m) = 250.0 g

Change in temperature (ΔT) = 52°C

Energy (Q) = ?

Then mathematically the relation could be represented as

  c = [tex]\frac{Q}{ \ m \ (\Delta\ T )}[/tex]

Therefore,  [tex]Q = m\times c \times (\Delta\ T)[/tex]

                   [tex]Q = 250 \times 4.18 \times 52[/tex]

                   [tex]Q = 54,340 J\\Q = 5.434 \times 10^1 kJ[/tex]  

So, to raise the temperature of 250.0 g of mercury by 52°C with a specific heat capacity of 4.18 J/ g°C the heat required is  5.434×10¹ kJ.

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Answer:

the acid used to neutralize the base in oder to form a salt and water

Answer:

A

Explanation:

A compound machine is a combination of two or more simple machines.

Answer:

Let's say you're using joules. In that case, you'd need 153.7kJ.

Answer:

In order to increase the temperature of 1 g of aluminium by 1∘C , you need to provide it with 0.90 J of heat

Explanation:

Answer:

1 (NH4)2SO4 + Ba(NO3)2 → NH4NO3 + BaSO4

2 (NH4)2SO4 + Ba(NO3)2 → Ba(SO4) + (NH4)(NO3)

Explanation:

Answer:

Blank 1: 1

Blank 2: 2

Blank 3: 1

Blank 4: 1

Explanation:

Assuming this is to balance the equation, write out the amount of each element you have on the reactants side and on the products side

Reactants                                                   Products

Ca 1                                                             Ca 1

C 2                                                              C 2

H 2                                                              H 4

O 1                                                               O 2

Comparing the two, we can see that hydrogen and oxygen have different amounts between reactants and products. Therefore, we need to multiply by some number to get the two equal. If we multiply the reactants by 2 we will get the correct amount in the products. So we put a 2 in front of the H₂O to signify this.

The balanced chemical reaction is

CaC₂ + 2 H₂O --> C₂H₂ + Ca(OH)₂

Answer:

p wave

Explanation:

The P wave is designated the primary preliminary wave because it is the first to arrive at a seismic station after an earthquake. It travels at a speed usually less than 6 kilometers per second in the Earth's crust and jumps to 13 kilometers per second through the core.

Answer:

B. Ionic Compound

Explanation:

An ionic compound is that compound which contains a positively charged ion called CATION and a negatively charged ion called ANION. The cation loses or transfers electrons to the anion, hence, making the former (cation) positive and the latter (anion) negative.

A polyatomic ion is an ion that contains more than one type of atom e.g OH-, NO3²-, CO3²- etc. A polyatomic ion usually has an overall charge formed from the charges of the individual atoms that makes it up. For example, in OH-, the overall charge is -1.

Since a polyatomic ion can have an overall positive or negative charge, it must enter a reaction with another ion that complements it i.e. a negative polyatomic ion will react with a positive ion to neutralize its charge. Hence, this forms an IONIC COMPOUND. This is why most compounds with polyatomic ions are IONIC COMPOUNDS.

For example, CaCO3 is an ionic compound formed when Ca²+ (cation) reacts with the polyatomic anion: CO3²-

Answer:

Couldn't figure out how to edit the other one to attach the image, but here is it with the labels. Also put the same explanation down below so you don't have to go to the other if you wanted to look at it in conjunction with the image.

Explanation:

Mass extinctions are periods of time where the organisms are essentially wiped out in an extremely brief period of time. You can see how the species just drops off. Adaptive radiation occurs when there is a diversification of a group of organisms as evident by the rise in the number of marine animal groups shown by the bracketed area.

Answer:

I'm pretty sure its 1.96g

Answer:

Answer:

there is no "following". if you can attach an image for me, ill be glad to help.

Explanation:

have a good day,

~evita

Explanation:

PH=14-POH

=14-2.6

=11.4

We convert the masses of our reactants to moles and use the stoichiometric coefficients to determine which one of our reactants will be limiting.

Dividing the mass of each reactant by its molar mass:

(10 g C2H6)(30.069 g/mol) = 0.3326 mol C2H6

(10 g O2)(31.999 g/mol) = 0.3125 mol O2.

Every 2 moles of C2H6 react with 7 moles of O2. So the number of moles of O2 needed to react completely with 0.3326 mol C2H6 would be (0.3326)(7/2) = 1.164 mol O2. That is far more than the number of moles of O2 that we are given: 0.3125 moles. Thus, O2 is our limiting reactant.

Since O2 is the limiting reactant, its quantity will determine how much of each product is formed. We are asked to find the number of grams (the mass) of H2O produced. The molar ratio between H2O and O2 per the balanced equation is 6:7. That is, for every 6 moles of H2O that is produced, 7 moles of O2 is used up (intuitively, then, the number of moles of H2O produced should be less than the number of moles of O2 consumed).

So, the number of moles of H2O produced would be (0.3125 mol O2)(6 mol H2O/7 mol O2) = 0.2679 mol H2O. We multiply by the molar mass of H2O to convert moles to mass: (0.2679 mol H2O)(18.0153 g/mol) = 4.826 g H2O.

Given 10 grams of C2H6 and 10 grams of O2, 4.826 g of H2O are produced.

Answer:

so mucjsuat least amount of soduim is will be 25percent

Answer:

Explanation:

1. Topic: Chemistry

ElementFirst Ionization Energy (kJ/mol) Lithium520Sodium496Rubidium403Cesium376According to the above table, which is most likely to be the first ionization energy for potassium?  

2. Topic: Chemistry, Atom

The correct set of four quantum numbers for the valence electrons of the rubidium atom   (Z=37)  is:  

3. Rubidium and cesium are pyrophoric. Here the term pyrophoric means:

Answer:

it is A striations

Explanation:

..........

Answer:

Striation

Explanation: