When you need to convert from one system of measurement to another, you should convert to the a) system that will have the highest number. b) system that will have the smallest number. c) system used on the medication label. d) metric system.

Answers

Answer 1

we dont know lol

Explanation:


Related Questions

Select all the correct answers.

To formulate hypotheses and construct theories, astronomers analyze data. This analysis helps them find trends that may exist. Which two statements does the data in this table support? If you’re not sure, take a guess.
A. The farther a planet is from the Sun, the longer its orbital period is.
B. Planets with a greater diameter have longer days.
C. The closer a planet is to the Sun, the greater its axial tilt is.
D. Planets with greater mass tend to have more moons.

Answers

Answer: A. The farther a planet is from the Sun, the longer its orbital period is, and D. Planets with greater mass tend to have more moons.

Explanation: trust

what is a nucleus and what are the functions?

Answers

nucleus, in biology, a specialized structure occurring in most cells (except bacteria and blue-green algae) and separated from the rest of the cell by a double layer, the nuclear membrane. This membrane seems to be continuous with the endoplasmic reticulum (a membranous network) of the cell and has pores, which probably permit the entrance of large molecules. The nucleus controls and regulates the activities of the cell (e.g., growth and metabolism) and carries the genes, structures that contain the hereditary information

The formation of aluminum chloride can be described by the balanced chemical equation. 2Al+3Cl2⟶2AlCl3 How many moles of Cl2 molecules are required to react with 3.90 mol Al atoms? moles of Cl2 required

Answers

moles(AL)/moles(CL2) = 2/3

moles(CL2) = 3/2 * 3.90

moles(CL2) = 5.85 mol

Which of the following is a compound? *
A. aluminum
B. carbon
C. oxygen
D. sugar

Answers

CARBON IS A COMPOUND

Answer:

C. OXYGEN

Explanation:

How many peaks will you observe in the 13C spectrum of cyclohexane ?
1 1 - incorrect
3
6

Answers

3 peaks

Explanation:

You can do this perfectly well without referring to chemical shift tables at all. In the spectrum there are a total of three peaks - that means that there are only three different environments for the carbons, despite there being four carbon atoms.

nkkljihghjhytuyftghvnvm
jkhjkhjkh

Answers

Answer:

seriously ....,........

I don't like chemistry

U ever get an answer

Answers

yesn’t. they are either wrong or links

convert 3.49g/cm³ to kg/m³​

Answers

1 g/cm3 to kg/m3 = 1000 kg/m3

3.49 g/cm³= 3.49 x 1000

                 = 3490 kg/m³​

Ans: 3490 kg/m³​

A \pu{1.60 g}1.60 g1, point, 60, space, g calcium supplement contains 37.8\%37.8%37, point, 8, percent \ce{Ca}CaC, a by mass. The calcium is present in the supplement as \ce{CaCO3}(s)CaCOX 3 ​ (s) (molar mass \pu{100.09 g/mol}100.09 g/mol100, point, 09, space, g, slash, m, o, l). How many grams of \ce{CaCO3}(s)CaCOX 3 ​ (s) are in the calcium supplement?

Answers

A 1.60 g calcium supplement that contains 37.8% Ca by mass, contains 1.51 g of CaCO₃.

We want to calculate the mass of CaCO₃ in a 1.60 g supplement. We need to consider the following relationships.

The mass percent of Ca is 37.8%, that is, there are 37.8 g of Ca every 100 g of supplement.The molar mass of Ca is 40.08 g/mol.The molar ratio of Ca to CaCO₃ is 1:1.The molar mass of CaCO₃ is 100.09 g/mol.

[tex]1.60gSup \times \frac{37.8gCa}{100gSup} \times \frac{1molCa}{40.08gCa} \times \frac{1molCaCO_3}{1molCa} \times \frac{100.09gCaCO_3}{1molCaCO_3} = 1.51gCaCO_3[/tex]

A 1.60 g calcium supplement that contains 37.8% Ca by mass, contains 1.51 g of CaCO₃.

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A 1.60 g calcium supplement contains 37.8% Ca by mass. The calcium is present in the supplement as CaCO₃(s) (molar mass 100.09 g/mol). How many grams of CaCO₃(s) are in the calcium supplement?

Given: 800 mL of 2.5 M NaCl. Find grams of NaCl needed

Answers

Answer:

Answer: molar mass of NaCl is 58.5 gm/mol. This refers to the fact that 1 mole of NaCl weighs 58.5 gram.

Explanation:

pls help i am in 8th grade k12

Answers

Answer:

zzxdczxc V

Explanation:

What is the initial concentration of a solution if 40.0 mL is diluted to make 720 mL of a 0.45 M solution?

Answers

Answer:

8.1 M

Explanation:

What is the initial concentration of a solution if 40.0 mL is diluted to make 720 mL of a 0.45 M solution?

LET Y = INITIAL CONCENTRATION

SO

Y TIMES 40/720 = 0.45 m

SO

Y= (0.45) X 720/40=

0.45 X 72/4 =

0.45 X 18 =8.1 M

Concentration is related to the mass and volume. 8.1 M  initial concentration of a solution is required if 40 ml is diluted to make 720 ml of a 0.45 M solution.  

What is initial concentration ?

The first measured concentration of a compound in a substance is called as initial concentration. Initial concentration also measure with the help of molarity.

Write out the equation C = m ÷ V, where m is the mass of the solute and V is the total volume of the solution. Substitute  the values you found for the mass and volume, and divide them to find the concentration of your solution.  

Let X is the initial concentration,

so, X times 40 ÷ 720 = 0.45

X = ( 0.45 ) × ( 720÷40)

= 0.45 × 18

= 8.1 M

Hence, 8.1 M  initial concentration of a solution is required .

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which best describes how heat energy moves within the system?

Answers

Answer: B

Heat always travels from warmer areas to cooler areas in the form of radiation or convection currents due to the temperature difference. You could kind of think of this movement like diffusion: travelling from a higher concentration to a lower one (if you take biology). This is how a gas heats up a pan on the stove or a radiator warms a room

What is the mole ratio between FeCl3 and Fe(C5H7O3)3 ?

Answers

Answer:      162.2 g FeCl3. mL of soln = 0.07028 mol FeCl3x ... mol FeCl3 = mol Fe(OH)3 = 0.01291 mol ... (a) MaVa = MbVb since HCl and KOH react in a 1:1 molar ratio.

Explanation:

When performing an experiment, the following footwear is best

Answers

Answer:

sneakers

Explanation:

Answer:

closed toe shoe

Explanation:

becusae if a cemcal spills it cant hurt your feet

An exothermic reaction releases 86.5 kJ. How many kilocalories of
energy are released?

Answers

Since 1 calories is 4.1858 Joules, 86.5kJ is 86.5 x (1/4.1858) = 20.66510583 kCal = 20.7 kCal (3 s.f)

An initial solution of orange juice has a solute concentration of 0.50 M and a volume of 155.0 mL. What is the final solute concentration of the juice after its been diluted with 52.5mL of water?

Answers

Answer:

0.37 M

Explanation:

An initial solution of orange juice has a solute concentration of 0.50 M and a volume of 155.0 mL. What is the final solute concentration of the juice after its been diluted with 52.5mL of water?

the old molarity was 0.50 M, and a volume of 1555.0 ml

the new volume is a total of 155.0 ml + 52.5 ml =207.5 ml

so the new molarity is (155.0/207.5) X 0.50 M = 0.37 M

giving brainly for correct answer! :)

Answers

Answer:

Mass is the amount of matter in an object

Answer:

Mass

Explanation:

matter is weighed by the mass of an object

When the pressure of a sample of gas is measured in a closed-end manometer, the mercury liquid is measured at a height of 31.6 cm. What is the pressure of the gas, in Pa

Answers

The answer is 42,100.

The student burns 10 g of magnesium in air to produce magnesium oxide (MgO).
2Mg + 0 + 2MgO
Calculate the maximum mass of magnesium oxide that could be produced in the reaction.

Answers

Answer:

x=403/24,3 = 16.58 gm MgO

EXPLANATION

The student burns 10 g of magnesium in air to produce magnesium oxide (MgO)

2Mg + 0 + 2MgO

Calculate the maximum mass of magnesium oxide that could be produced in the reaction.

Oxygen exist in nature as O2, diatomic.

so

The student burns 10 g of magnesium in air to produce magnesium oxide (MgO).

2Mg + 02 + 2MgO

Calculate the maximum mass of magnesium oxide that could be produced in the reaction.

2 moles of Mg produce 2 moles of MgO

1 mole of Mg weighs 24.3 and produces 1 mole of MgO

Mg HAS AN ATOMIC MASS OF 24.3

Mg HAS A MOLAR MASS OF 24.3 +16 = 40.3gm/mole

so 24.3 gm of Mg produce 40.3 gm MgO

set up the ratio

10 gm Mg/x of MgO  = 24.3/40.3

or

10/x = 24.3/40.3

cross multiply and isolate x (use Algebra I)

24.3x =403

x=403/24,3 = 16.58 gm MgO

Lattice energy is_______________ proportional to the distance between two ions in an ionic compound; therefore, the compound with the smaller lattice energy will have the _________________ distance between the ions.

Answers

Lattice energy is inversely proportional to the distance between two ions in an ionic compound; therefore, the compound with the smaller lattice energy will have the larger distance between the ions.

Discussion;

The lattice energy of an ionic compound is a measure of the strength of the bond in the compound.

The lattice energy is Inversely proportional to the distance of the atoms apart.

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Engineering chemistry

Answers

Answer:

it wont let me see it

Explanation:

Please help me ASAP I couldnt copy paste the table so I added a screenshot Please I really need help!!!

Answers

Answer:

2.04 Thermal Energy and Chemical Change Lab Report

Explanation:

Hi! ❤️ , im looking for some help here. ill give brainliest if able to.

Answers

A student builds a model of a race car. The scale is 1:15. In the scale model, the car is 8 cm tall. How tall is the actual car?

Answers:

A. 120 cm

#CarryOnLearning

if 10.5 grams of liquid water is boiled how many grams of water vapor will then form ?

Answers

Answer:

It depends

Explanation:

This could vary depending on the exact temp, time and minerals. something with alot of salt boils quicker than something without it, so 10.5 grams?

The particular temperature, the passage of time, and the minerals could all affect the amount of grams of liquid water.

What are minerals?

Minerals are defined as a naturally crystallized element or chemical compound that was created through geological processes. Natural materials are those that form on their own, such as minerals. Minerals don't droop, melt, or evaporate since they are solids. In contrast to the carbon compounds found in living organisms, minerals are inorganic. Minerals are crystalline: They have a unique atomic composition and arrangement.

Temperature is defined as a measure of hotness or coldness expressed in terms of any number of arbitrary scales that shows the direction that heat energy will naturally flow, i.e., from a hotter body to a colder body. The three temperature scales that are now in use are Kelvin, Celsius, and Fahrenheit. Food, beverages, agriculture, and medical care for both people and animals all depend heavily on temperature.

Thus, the particular temperature, the passage of time, and the minerals could all affect the amount of grams of liquid water.

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

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Sắp xếp 4 axit sau theo thứ tự tính axit tăng dần:
CH3-CH2-CH2-COOH (1), CH3-CH2-CHCl-COOH (2)
CH3-CHCl-CH2-COOH (3), CH2Cl-CH2-CH2-COOH (4

Answers

CH3CH2CHClCOOH > CH3CHClCH2COOH > CH2ClCH2CH2COOH > CH3CH2CH2COOH
(2)>(3)>(4)>(1)

How many molecules of aspartame are present in 1.00 mg of aspartame?

Answers

Answer:

0.2 x 10^19

Explanation:

Calculate the number of moles in 400g of Tio2

Answers

Answer:

5.01 moles

Explanation:

Calculate the number of moles in 400g of Tio2

first, write the formulas correctly

Calculate the number of moles in 400g of TiO2

capitalize the first letter of your elements

the molar mass of TiO2 is

47.88 +2X16.00 =47.88  +32.00 = 79.88 gm/mole

(to 3 sig fig = 79.9 gm/mole

400 gm/79.9 gm/mole = 400/79.9 mole gm/gm =

400/79.9 moles = 5.01 moles

Use the choose reaction drop down menu to see other equations, and balance them. Check your answers and then write the balanced equations. AI+ HCI-> AICI3+ H2

NaCI -> Na + CI2

Na2S + HCI -> NaCI + H2S​

Answers

3 and then you do that yea

The city council of a small town wanted to add fluoride to their water so that all the residents would have healthier teeth. The mayor had read that ionic compounds must be used to get the fluoride into water. He looked up fluorine-containing compounds and came up with the following list. ​
NaF NF3 SiF4 CaF2 NH4F​

Using academic vocabulary in paragraph form, discuss the following: ​

Explain which compound(s) could produce fluoride ions in the water. In your response, be sure to include: ​
° which of the listed compounds are ionic and which are covalent. ​
° how ionic and covalent compounds are different. ​
° why only ionic compounds would produce fluoride in water.​

Answers

Answer:NaF is ionic. NF3 is covalent. SiF4 is ionic. CaF2 is Ionic and  NH4F is also ionic. Ionic compounds transfer electrons whereas covalent compounds share electrons hence the word "co". Also, ionic compounds are formed with metal and nonmetal. Where a covalent is with 2 nonmetals. Only ionic compounds would produce fluoride in water because ionic compounds can dissolve in water and covalent compounds cant.

The compounds that can be used for the release of fluorine in water are NaF, [tex]\rm SiF_4[/tex], [tex]\rm CaF_2[/tex], and [tex]\rm NH_4F[/tex].

The ionic compounds are formed by the transfer of electrons between the atoms of the compounds. The ionic bonds are weaker and are easy to dissociate in the aqueous solution.

The covalent compounds are formed by the sharing of electrons between the atoms. Since there is sharing, there has been a strong bond, that has been hard to dissociate.

The Mayor has to release Fluoride in the water, thus ionic compounds are preferred that have the easy release of fluorine.

From the given compounds:

NaF = Ionic compound[tex]\rm NF_3[/tex] = Covalent compound[tex]\rm SiF_4[/tex] = Ionic compound[tex]\rm CaF_2[/tex] =  Ionic compound[tex]\rm NH_4F[/tex] =  Ionic compound

Thus the compounds that can be used for the release of fluorine in water are NaF, [tex]\rm SiF_4[/tex], [tex]\rm CaF_2[/tex], and [tex]\rm NH_4F[/tex].

For more information about ionic and covalent compounds, refer to the link:

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