for the following reaction: 1 CuO + 1 H2 --> 1 Cu +1H2O, what is the quantity of moles of H2O when there are 240 grams of CuO present?

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soil - Alluvial soil

crops - Cotton, wheat, sorghum, bajra, maize, barley, jute, tobacco, green and black gram, chickpea, pigeon pea, etc.

Suitable properties : Mix of sandy loam and clay soil. Quick draining in nature. Rich in humus (organic matter) and phosphoric acid

soil - black soil

Crops - Cotton is the major crop. Other crops include wheat, cereals, rice, jowar, sugarcane, linseed,

Suitable properties : Black soils get sticky when fully wet. Rich in magnesium, iron, aluminum, and lime. They moisture excellently.

soil - laterite soil

crops - wheat, rice, pulses, rubber, tea, coffee, coconut, and cashews.

suitable properties : These Soils are acidic in nature and coarse and crumbly in texture. it is also rich in iron content.

soil - Arid soil

crops - Barley, maize, wheat, millets, cotton, and pulses.

Suitable properties - Sandy soils with low clay content, Saline in nature. Rich in plant food. Poor in organic matter and moisture because arid regions are usually dry.

soil - Mountain and Forest Soil

Crops- Wheat, barley, maize, tea, coffee, spices, tropical and temperate fruits.

Suitable properties - Acidic soil, rich in organic matter. Poor in lime, phosphorus, and potash. Good fertilization is required in these soils.

Answer:

The temperature is the same overtime.

Explanation:

Since the line on the graph is straight the temperature will be constant.

Answer:

1. A

2. C

3. C

Explanation:

1. there are single cell organisms

2. all others are abiotic factors

3. individual is just one, population is one species, community is all populations, ecosystem includes abiotic and biotic factors, biome is a large geographical area.

Answer:

2689.4

Explanation:

Answer:

2 Elevation of a mountain.

Explanation:

Contours make it possible to show the height and shape of mountains, the depths of the ocean bottom, and the steepness of slopes.

(Brainiest and Thanks all Appreciated)

Answer:

Atomic mass of Sodium is 22.9897 u. Note that, each element may contain more isotopes, therefore this resulting atomic mass is calculated from naturally-occuring isotopes and their abundance. The unit of measure for mass is the atomic mass unit (amu). One atomic mass unit is equal to 1.66 x 10 -24 grams.

Explanation:

Answer:

flammability, toxicity, acidity, reactivity are some examples.

sorry you left out your options.

Answer:

Where are the options

Explanation:

Can you be a little more specific about your question?

Answer:

a) II and III

is the correct

Answer:

the answer is Bond Number

Explanation:

b r u h  i just took the quiz and got the answer wrong lol

so turns out its BOND NUMBER

The whole Chemical Reaction Predictions Quick Check for Chemistry

1) chemical reaction

2) bond number

3) chemical bonds

4) C3H6O3

5) Iron oxides form when oxygen, a product of photosynthesis, is in the atmosphere

Answer:Accuracy Thermometers used to measure the temperature of food need to be accurate to +/-2°F or +/-1°C. Thermometers used to measure air temperature in food storage equipment need to be accurate to +/-3°F or +/- 1.5°C. A hanging thermometer in a walk-in cooler is an example.

Explanation:

Answer:

B

Explanation:

Malleability describes a substance's ability to deform under pressure and heat

Examples:  Gold, iron, aluminum, copper, silver, and lead. Gold and silver are highly malleable. When a piece of hot iron is hammered it takes the shape of a sheet.

Answer:

First one answer is physical and other remaning chemical

Answer:

Hydrogen is a colorless, tasteless, and odorless gas.  

physical

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Hydrogen is very combustible in the presence of oxygen.  

chemical

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Hydrogen is very reactive with most elements.  

chemical

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Hydrogen is the least dense of all elements.  

physical

A non-covalent interactions between  molecules are van der Waal's forces and hydrogen bonds.

Non-covalent interaction is an interaction which does not involve sharing of electrons and in this aspect it differs from covalent bond.It rather involves dispersed variations  of electromagnetic interactions  which are present between the molecules or within the molecule.

The energy released during the formation of these interactions  is of the order of 1-5 kcal .They are classified as electrostatic, pi effects , van der waals forces  and hydrophobic effects.

They are important in maintaining the three dimensional structure of large molecules such as proteins ,nucleic acids ,etc.They are also involved in biological processes . They heavily influence drug design process and design of materials.

Learn more about non-covalent interactions,here:

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Answer:

X has 9 Electrons, 9 Protons and 10 Neutrons

X is Fluorine

Explanation:

19 in X is Nucleon number

So, if you minus 19 by 9 down there (which is proton number) you'll get 10 (Neutron number).

Now, Proton = Electron. That's why Electron is 9 too. I figured that X is Fluorine bcuz it has 9 Electrons. If you venture around in the periodic table, fluorine is the ninth element innit.

hope this helps ya ＼(^o^)／

Answer:

The answer should be A

Explanation:

Answer:

Leaving a Copper penny in vinegar until it turns green

Explanation:

the others are physical changes. when copper penny is put in vinegar, a reactive oixde layer is formed which is green in colour. namely, Cu(II) acetate.

The green growing on the penny of copper and the rust forming on the nail of iron are chemical changes. Boiling away salt water, scraping iron filings from a mixture of sand with a magnet, and breaking a rock with a hammer, are physical changes.

Answer:

There should only be one chemical reaction, this is because toasting the bread is not only using heat, but you cannot untoast the bread, and also theres a reaction with the amino acids and sugar in bread when it's cooked. I hope this helps you! :)

Answer:

One

Explanation:

 One Chemical changes-It was when he toasted the bread. The heat changed the bread so that it has the crust on the outside

Answer:wth does this even mean

Explanation:

Answer:

hrjfnd

Explanation:

hfhdhfujduejdjdjdbfudbdjdbdifhdudjdufb

Answer:

Yes

Explanation:

Electronegativity is the tendency for atoms to keep electrons closer to them. So, if the atoms are smaller there, there is a stronger pull on the electrons to keep them closer. So, the larger the atom get, due to electron shielding, it become less electro negative. I hope this help. You might get a better explanation from Khan Academy's video on Electronegativity

Answer:

A relationship is intuitively expected

Does electronegativity relate to atomic radius? A relationship is intuitively expected between electronegativity and radius: the size of an atom is determined by the distribution of electrons around its nucleus. The closer the electrons are to the nucleus, the more tightly they are bound, thus increasing the electronegativity of the atom.

Explanation:

In methane, the covalent bond is present between one carbon and four hydrogen atoms.

Methane is the simplest form of saturated hydrocarbons. Methane is an odorless gas as well as a colorless gas. It has one carbon and four hydrogen atoms which is why methane is also called a tetrahedral molecule.

CH₄ is the chemical formula of methane and is a non-toxic but flammable gas. From the tetrahedral structure of methane, we can see that a carbon atom is bonded to four hydrogen atoms.

One molecule of methane contains four covalent bonds. Each covalent bond is formed between the carbon and one hydrogen atom. The formation of a covalent bond between carbon and hydrogen is due to the small electronegativity difference between carbon and hydrogen.

In this way, carbon completes its octet and hydrogen completes its duplet. Therefore, the covalent bond is formed between one carbon atom bond with four hydrogen atoms in methane.

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hope it helps

Four high tides would occur in one day, if the moon orbited Earth twice as fast.

The tide when the water is at its greatest elevation.

At the moment, high tides occur twice a day. So if the moon orbits the earth twice as fast, high tides will occur twice as many, which means four times a day.

High tides occur 12 hours and 25 minutes apart. It takes six hours and 12.5 minutes for the water at the shore to go from high to low, or from low to high.

The best-known effect of the moon is its gravitational pull on Earth's oceans, which results in two high tides and two low tides every day.

But if the moon were half the distance from Earth as it is now, the tides would be eight times higher.

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Answer:

Map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground.

Explanation:

For example, on a 1:100000 scale map, 1cm on the map equals 1km on the ground.

Answer:

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

mass = Density × volume

From the question

density = 2.70 g/cm³

volume = 50 cm³

We have

mass = 2.70 × 50 = 135

We have the final answer as

Hope this helps you

Answer:

false, true and i dk what the other answer choices are for the 3rd questions

Explanation:

Explanation: The additional terminology comes from the definition that, within redox processes, a reductant transfers electrons to an oxidant; hence, the reductant (reducing agent) loses electrons, so is oxidized, while the oxidant (oxidizing agent) gains electrons, so is reduced.

In an oxidation-reduction reaction, the reducing agent loses electrons and loses potential energy, Therefore, option (C) is correct.

A substance that loses its electrons in a redox reaction to other substances and gets oxidized is called a reducing agent. A reducing agent is one of the reactants which reduces the other reactant by donating the electrons to the reactant of an oxidation-reduction reaction.

If the reducing agent can't pass electrons to another reactant in a reaction, then the reduction process does not occur and the reaction cannot proceed.

In redox reactions, when an electron loses potential energy as a result of the transfer and energy is released. Electrons with more potential energy are associated with less electronegative atoms and less potential energy is associated with a more electronegative atom (such as O).

Therefore, the reducing agent loses electrons and loses potential energy in a redox reaction.

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Your question is incomplete, but probably the complete question was,

In an oxidation-reduction reaction, how is the reducing agent changed?

(A) it gains electrons and gains potential energy

B) it gains electrons and loses potential energy

C) it loses electrons and loses potential energy

D) it loses electrons and gains potential energy

Answer:

These are the elements or compounds that enter into a chemical reaction: Reactants

These are the substance(s) formed in a chemical reaction: Products

These are the reactants in the chemical equation C6H1206 +602 --> 6CO2 + 6H20: C6H1206 and 602

These are the reactants in the chemical equation 6 CO2 + 6H2O --> C6H1206 + 6 02: 6 CO2 + 6H2O

These are the reactants in the chemical equation 2 H2 + 02 --> 2 H2O: 2H2 and O2

These are the reactants in the chemical equation 2 H2O --> 2 H2 + O2: 2H2O

Answer:

O A. The total kinetic energy of the particles of matter

Explanation:

I got it right on assignment. (°ω°)