What is the percent composition of Phosphorus in Li3PO3

Answer:

So the concentration of hydrogen in solution of 1.65 pH is 2.2 × 10⁻²

Answer:

Acetic

Explanation:

organic chemistry of, pertaining to, or producing vinegar

organic chemistry of or pertaining to acetic acid or its derivatives

Answer:

dym like vinegar or acetic acid

The volume of the suspension required : 10 ml

Given

0.500 g of ampicillin

The liquid suspension concentration = 250 mg/5 mL

Required

The volume of the suspension required

Solution

The concentration of a substance can be expressed in various units such as molarity, ppm, g / L etc.

Each unit change, we must pay attention to the conversion factor

Conversion g to mg

0.5 g = 500 mg

The volume of the suspension needed :

=mass x concentration

[tex]\tt \dfrac{500~mg}{250~mg/5~ml}=500~mg\times \dfrac{5~ml}{250~mg}\\\\=10~ml[/tex]

Answer:

Thus, to calculate the stoichiometry by mass, the number of molecules required for each reactant is expressed in moles and multiplied by the molar mass of each to give the mass of each reactant per mole of reaction. The mass ratios can be calculated by dividing each by the total in the whole reaction.

Explanation: Stoichiometry is the field of chemistry that is concerned with the relative quantities of reactants and products in chemical reactions. For any balanced chemical reaction, whole numbers (coefficients) are used to show the quantities (generally in moles ) of both the reactants and products.

The entropy of the system increases and heat is absorbed in this chemical reaction.

When ammonium chloride NH4Cl reacts with water, it absorb energy for the surrounding and decomposes into its component ions such as NH4+ and Cl- so we can conclude that increases occur in the entropy of the system and heat is absorbed.

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Answer:

fu-ck fick

Explanation:

Answer:

A cation is an ion with fewer electrons than protons. Therefore, it has a positive charge. The electric charge on a proton is equal in amount to the charge on an electron. Anions are atoms or radicals (groups of atoms), that have gained electrons. Since they now have more electrons than protons, anions have a negative charge. Halogens always form anions, alkali metals and alkaline earth metals always form cations. Most other metals form cations (e.g. iron, silver, nickel), whilst most other nonmetals typically form anions (e.g. oxygen, carbon, sulfur).

Explanation:

An anion and cation cannot be specifically found on the periodic table.    

The chemical elements are shown in tabular form on the periodic table, sometimes referred to as the periodic table of the elements. It is frequently used in physics, chemistry, and other sciences and is frequently regarded as a symbol of chemistry.

An ion with fewer electrons than protons is known as a cation. It is hence positively charged. Protons and electrons both have the same amount of electric charge. Atoms or radicals (groups of atoms) that have gained electrons are known as anions. Anions now have a negative charge because they have more electrons than protons.

Alkali metals and alkaline earth metals always produce cations, while halogens always produce anions. Iron, silver, and nickel are among the most common non-metals that create cations, whereas the majority of other metals do the same (e.g. oxygen, carbon, sulphur).

The periodic table does not clearly list an anion or cation.

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Answer:

H2O = 0

CO2 = +4

H2CO3 = +4

Explanation:

Answer:

18.01528 grams.

Explanation:

Ther are 0.84 moles of [tex]H_{2}O[/tex] in 15.2 g of pure ice.

The molar mass of [tex]H_{2}O[/tex] is 18g.

To calculate the number of moles of a substance in a given mass of the sample, we divide the given mass by the molar mass of the sample,

Number of moles = given mass / molar mass

It is given that we have 15.2g of pure ice. Then the number of moles of [tex]H_{2}O[/tex] will be:

n = 15.2/18

n = 0.84 moles.

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to generate energy means to create energy. chemical energy is the energy that is created when you put effort into doing something..  

Answer:

D) 16 km/hr​

Explanation:

When the speed increases, the kinetic energy increases, but the mass never changes.

Answer:

d

Explanation:

Answer:

So, the energy of two hydrogen atoms is lower when the two atoms are together than when the two atoms are apart; that is why they stay together.

Explanation:

Answer:

The chromium found in foods will not hurt you. But taking excessive chromium supplements can lead to stomach problems and low blood sugar (hypoglycemia). Too much chromium from supplements can also damage the liver, kidneys, and nerves, and it may cause irregular heart rhythm.

Answer:

The missouri River is a Longesr tributary of the Mississippi River.

The Missouri River is tributary of the Mississippi River.

The Missouri River is known as the longest river in the United States. Missouri flows east and south for 2,341 miles before mixing with the Mississippi River north of St Louis, Missouri.

The river drains include parts of ten U.S. states and two Canadian provinces although a tributary of the Mississippi, the Missouri River is marginally longer and has a comparable volume of water. When combined with the lower Mississippi River, it creates the world's fourth-longest river system.

People depend on the Missouri River and its tributaries as a source of transportation and sustenance. The Missouri River was the main route for the westward expansion of the U.S. during the 19th century.

During the 20th century, the Missouri River was developed for irrigation, flood control, and the generation of hydroelectric power. Fifteen dams formed the stem of the river, with hundreds more on tributaries.

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Answer:

B

Explanation:

I believe c is the answer but maybe wrong though

Answer:

Cells are the basic building blocks of living things. The human body is composed of trillions of cells, all with their own specialised function. Cells are the basic structures of all living organisms. Cells provide structure for the body, take in nutrients from food and carry out important functions.

Answer:

29.76ºC

Explanation:

The melting point is a physical property of the matter it doesn't change as you slice the gallium into three different parts. Thus, it's the same value 29.76ºC

Answer:

79.5

Explanation:

7.95x10^7 IS 79500000.

If you bring the decimal point left 6 more times it would be 79.500000

This is mind numbing, but I got you.

3NaOH + 1FeCl3 = 1Fe(OH)3 + 3NaCl

3Mg + 2H3(PO)4 = 1Mg(PO4)2 + 3H2

Answer:

Magnesium is limiting reactant.

Explanation:

Based on the reaction:

Mg + H₂SO₄ → MgSO₄ + H₂

1 mole of Mg reacts per mole of sulfuric acid

To find limiting reactant we need to convert mass of magnesium to moles. If moles of Mg > moles sulfuric acid, sulfuric acid is limiting reactant and vice versa.

Moles Mg -Molar mass: 24g/mol-:

48g Mg * (1mol / 24g) = 2moles

As there are just 2 moles of Magnesium, just 2 moles of H₂SO₄ will react and 3 moles will remain. That means:

121 mol CH₄

Math

Pre-Algebra

Order of Operations: BPEMDAS

Chemistry

Organic

Atomic Structure

Step 1: Define

7.31 × 10²⁵ molecules CH₄

Step 2: Identify Conversions

Avogadro's Number

Step 3: Convert

[tex]\displaystyle 7.31 \cdot 10^{25} \ molecules \ CH_4(\frac{1 \ mol \ CH_4}{6.022 \cdot 10^{23} \ molecules \ CH_4} ) = 121.388 \ mol \ CH_4[/tex]

Step 4: Check

Follow sig fig rules and round. We are given 3 sig figs.

121.388 mol CH₄ ≈ 121 mol CH₄

Answer:

Atoms

Explanation:

The molecular formula uses chemical symbols to indicate the types of atoms followed by subscripts to show the number of atoms of each type in the molecule. :)

Total moles of gas = 0.1225

Volume of gas produced : 6.7375 L

mass of Nitrogen : 0.588 g

Given

2 ml of Nitroglycerin(ρ=1.592 g/ml)

Required

Total moles of gas

Solution

Nitroglycerin detonated ⇒ decomposition reaction

4C₃H₅N₃O₉(s)⇒ 6N₂(g)+12CO(g)+10H₂O(g)+7O₂(g)

mass of Nitroglycerin :

[tex]\tt mass=2~ml\times 1.592~g/ml=3.184~g[/tex]

moles of Nitroglycerin :

[tex]\tt moles=\dfrac{3.184}{227,0865~g/mol}=0.014[/tex]

Total moles of gas:

[tex]\tt \dfrac{6+12+10+7}{4}\times 0.014=0.1225[/tex]

Volume of gas produced :

[tex]\tt 0.1225\times 55=6.7375~L[/tex]

moles of Nitrogen :

[tex]\tt \dfrac{6}{4}\times 0.014=0.021[/tex]

mass of Nitrogen :

[tex]\tt 0.021\times 28=0.588~g[/tex]

Answer:

microwave

Explanation:

Answer:

Toaster ovens & Microwave

Explanation:

Answer: [tex]Pb(NO_3)_2(aq)+2NH_4Cl(aq)\rightarrow PbCl_2(s)+2NH_4NO_3(aq)[/tex] .

The insoluble product is lead (II) chloride.

Explanation:

A double displacement reaction is one in which exchange of ions take place. The salts which are soluble in water are designated by symbol (aq) and those which are insoluble in water and remain in solid form are represented by (s) after their chemical formulas.  

A double displacement reaction in which one of the product is formed as a solid is called as precipitation reaction.  

The balanced chemical equation is:

[tex]Pb(NO_3)_2(aq)+2NH_4Cl(aq)\rightarrow PbCl_2(s)+2NH_4NO_3(aq)[/tex]

The insoluble product is lead (II) chloride.