What is the empirical of compound (X) going through the following decomposition reaction?

78,095 results, page 95

Chemistry

What is the ratio of carbon atoms to hydrogen atoms in the compound 2CH2 = C2H4? A. 1 to 9 B. 9 to 1 C. 3 to 6 F. 6 to 3

math

find the compound interest on Rs15000 at 8% for 9 months, the interest payable quartely

math

Rx: 2% Testosterone qs ad Petroleum Jelly 240gm How many ml of Testosterone is needed to make this compound?

Science

In this type of matter it consists of only one type of element or compound what is it?

Algebra

Which inequality represents the solution set for the compound inequality below? -3<or equal to -2x + 1 < 11

mechanical/eginineering

when a compound gear cluster is created how is the mechanical advantage calculated

Chemistry

Calculate the number of grams of xenon in 3.566 g of the compound xenon tetrafluoride.

Chemistry

Calculate the number of grams of xenon in 3.566 g of the compound xenon tetrafluoride.

Barrles

if x<5 and x>c, give a value of c such that there are no solutions to the compound inequality.explain why there are no solutions?

Chem

the formula mass of an unknown compound is 44.009 amu. What is its molar mass?

maths

principal 224000,rate of interest 2%, time 16 years,what is compound interest.

Chemistry

i asked this question earlier and thanks to dr bob i got the empirical formula. which is C6H3O2. I need help finding the molar mass to get the molecular formula. Terephthalic acid is an important chemical used in the manufacture of polyesters and plasticizers. It contains only...

Chemistry

At 300.K and 1.00 atm, assume that 25 mL of NO gas reacts with 22 mL of oxygen gas and excess water to produce nitric acid according to the following equation: 2NO(g)+(3/2)O2(g)+H2O(l)-->2HNO3(g) If all of the nitric acid produced by this reaction is dissolved into 25 mL of...

Chemistry

At 298.K and 1.00 atm, assume that 22 mL of NO gas reacts with 18 mL of oxygen gas and excess water to produce nitric acid according to the following equation: 2 NO(g) + 3/2 O2 (g)+ H2O(l)?? 2 HNO3(g). If all of the nitric acid produced by this reaction is collected and then ...

Organic Chemistry

I got some multiple choice questions to practice and I'm not sure of how to get the answers... 1). Which of the following corresponds to the COC bond angle in dimethyl ether?-94 degrees, 110degrees, 180 degrees, 122 degrees, or 60 (i think it's 110 2). classify the reaction ...

Chemistry Lab

The experimental data you entered is: Trial #1 Trial #2 Trial #3 Mass: gelatin capsule (g) .123 .118 .122 Mass: whole alka-seltzer tablet (g) 3.230 3.230 3.230 Mass: capsule + alka-seltzer sample (g) .822 .882 .677 Mass: system before reaction (g) 23.109 23.110 22.735 Mass ...

algebra

Special factorization Completely factor the following expressions 250x^3-128 X^6-1 X^6+1 x^2-8xy+16y^2-25 16x^4a-y^8a ((8x^3)/125)+(64/y^3) I was given a set on how to do this skill, but it didn't really cover on how to attack these kind of expressions. I was wondering if ...

CHEMISTRY HELP NOW PLZ!

which of the following coordination compounds will most likely form a precipitate when treated with an aquesous solution of silver(l) nitrate? A) [Cr(NH3)2CL3] B) [Cr(NH3)6]Cl3 C) [Cr(NH3)Cl]SO4 D) Na3[Cr(CN)6] E) Na[CrCl6] i think its either a or b but i don't know which ...

English

I forgot to include the following sentences which belong to the same summary. Thank you for you help. 1) One day he got to the beach and saw it was covered with human bones. He realized that cannibals had eaten men on his island. He believed that cannibals ate other men ...

physics

1. A whistle you use to call your hunting dog has a frequency of 21 kHz, but your dog is ignoring it. You suspect the whistle may not be working, but you can't hear sounds above 20 kHz. To test it, you ask a friend to blow the whistle and hop on their moped. In which direction...

English(check)

Will someone please check my answers. I'm not sure what is the answer for #1. It is just too confusing. ** Italic. ()underlined. 1)Choose the answer that tells how to correct the sentence. If the sentence is correct, choose "correct." “I’ll make a deal with you,” Dad ...

chemistry

Is titanium an elemnt, compound, heterogenus mixture ,or homogenous mixture?

chemisty

What is the percent bromine in a compound made of 1g of hydrogen and 80g bromine?

chem

why do different compound have different colours in their visible emissions?

algebra

I get it all done and it is wrong please help solve this thanks. Solve the compound inequality. 4x-3/8<-6 or 4x-3/8>6

chemistry

figure 1 HO- ######## # # # # # # # # # # HO-# # # #-CH=CH-NH2 # # # ###### # # # ######## BENZENE RING what is the name of this compound or figure 1

Chemistry

Is Bronze an element, compound, heterogenous mixture or homogenous mixture?

English/ Writing

What are some bad compound concepts and what makes them bad?

CHEMISTRY

Does a molecular compound in water have hydration or have ionization ?

Algebra 2

Please help!!!! Please help me with this Graph the compound inquality on the number line. x<3 or x>6=

Chemistry

I'm doing a lab where I have to identify the oxidization state of Iron. Here's the procedure I had to go through: Use 0.5 molar concentration of CuSO4, get another beaker and add 0.1 grams of Iron to it. Add the CuSO4 to the beaker with the Iron fillings. Wait for the reaction...

english

We're going to dance. correct punctuation

Freshman comp

Im going to do it on Resumes hows that ?

Science

A truck is going from 20 km/h to 59 km/h in .20 hours, has an acceleration of what?

math

5-(t+3)=-1+2(t+3) I don't know how to do it. I need help going over the steps

physics

A car that is traveling at 28.16 m/s is going about

physics

A car that is traveling at 28.16 m/s is going about

science

going 80 km/h how far can you travel in 30 minutes?

History

Workers refuse to work by going on what?

civics

going global unit exam

chemistry

Write out the mechanism (using correct curved arrow notation) for the acid-catalyzed, cis-trans isomerization of maleic acid (into fumaric acid) If the electrophilic addition reaction of maleic acid with HCl had gone to completion what would be the structure of the addition ...

Chemistry

im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...

Chemistry

im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...

Chemistry

im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...

Chemistry

im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...

Chemistry

im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...

Chemistry

im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...

Chemistry

im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...

Chemistry

im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...

Chemistry

im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...

Chemistry

im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...

Chemistry

im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...

CHEMISTRY

im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...

CHEMISTRY

im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...

CHEMISTRY

im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...

CHEMISTRY

im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...

CHEMISTRY

im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...

CHEMISTRY

im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...

Chemistry

Consider the following reaction: 4NH3 + 7O2 (arrow) 4NO2 + 6H2O. A) How many moles of NH3 react with 5.64 mol of O2? B)How many moles of NO2 are obtained from 3.27 mol of O2? C) How many moles H2O will be produced from 8.95 g of NH3? D)How many grams of NH3 will be needed to ...

Chemistry II

The enthalpy of neutralizatino for the reaction of a strong acid with a strong base is -56 kJ/mol of water produced. How much energy will be released when 230.0 mL of 0.400 M HCl is mixedwith 150.5 mL of 0.500 M NaOH? How do I figure out how much water is produced in the ...

chemistry

the thermite reaction was previously used to weld the rails of railroad tracks together. the reaction is: Fe2O3(s)+ 2Al(s)--> 2Fe(l)+ Al2O3(s) (2Fe and 3 oxygen) (2Al and 3 oxygen) what masses of iron(III) oxie and aluminum must be used to produce 15.0g of liquid iron? what...

Chem

KHC4H4O6(s)<-> K+ (aq)+ HC4H4O6-(aq) 1) If the above reversible were started with only solid potassium hygrpden tartrate, which reaction would proceed faster, the "forward" or "reverse"? I said forward 2) If the reactions were started with only the separated ions present...

science

what would the formula be for a compound containing chromium (III) ions and ions of element 27?

Organic Chemistry

2. Why doesn’t the neutral organic compound (Flourene) dissolve in 1.5 M sodium hydroxide solution?

Inorganic Chemistry

In the molecular compound [Co(NH3)3(DMF)](NO3)3 what is the mode in which DMF is preferred?

english

where is the simple subject and compound subject in this sentence?They are projecting a sales increase of 14 percent.

chemistry

The poison strychnine is a weakly basic compound with Kb = 1.8 „e 10ƒ{6. What is the pH of a 0.058 M solution of strychnine? a. 3.49 b. 7.30 c. 8.26 d. 10.51 e. 12.76

Chemistry

How do I calculate the solubility of a compound in grams of solute per 100 grams of solution?

math

find the compound interest on Rs 15000 at 3% for 2 years 3 months interest payable yearly

Math

Write each compound inequality as an absolute value inequality. 1.3 < h < 1.5 Could someone give me the step too? Thanks

Spelling and Writing

how to rewrite sentences that have mistakes in capitalizing and punctuating compound sentences

Chemistry

1. I have 2% NaCl solution. From this I want to prepare a solution to contain 0.1 g of the sodium compound in 2 mL of water. Thanks

pharmacy technician

2% testosterone qs ad petroleum jelly 240g. How many ml of testosterone is needed to make this compound?

math

calculate the compound interest on an investment of $18,000 at 8% interest compounded quarterly for 15 months.

chem HARD

can anyone explain to me why LiCO3 is NOT a lithium compound? and what exactly is needed for lithium compounds?? thanks!

PT

You are given a compound which calls for combining 30 grams of 2.5% hydrocortisone cream with 15 grams of zinc oxide

chemistry

CH3-C=C-CH3 IS CLASSIFIED AS A) ALKANE B) ALKYNE C) AROMATIC COMPOUND D) HALOALKANE E) ALKENE

chemistry

why oxides of carbon ,carbonates ,hydrogen carbonates ,cyanides and cyanates are not organic compound?

chem

Consider the following reaction. 2 HCl(aq) + Ba(OH)2(aq) BaCl2(aq) + 2 H2O(l) H = -118 kJ Calculate the heat when 112.4 mL of 0.500 M HCl is mixed with 300.0 mL of 0.515 M Ba(OH)2. Assuming that the temperature of both solutions was initially 25.0°C and that the final mixture...

chemistry

Nitric acid is produced commercially by the Ostwald process, represented by the following equations. 4 NH3(g) + 5 O2(g) 4 NO(g) + 6 H2O(g) 2 NO(g) + O2(g) 2 NO2(g) 3 NO2(g) + H2O(l) 2 HNO3(aq) + NO(g) What mass in kg of NH3 must be used to produce 4.4 multiplied by 106 kg HNO3...

SCI 241

Describe, in 200 to 300 words, the path food follows through the digestive system and how digestion occurs in each of the following parts of the digestive system. Be sure to include descriptions of other organs or components of the digestive system, including: Large intestine,...

english

Correct the following sentences for subject verb agreement , tenses and fragments 1.my car is very playful 2. When he thought he could afford to pay his own school fees 3.these are great news indeed , I can't believe I made it 4.when I was young , I use to love playing with ...

maths

A body of mass 11kg falls freely from rest from a height of 15m above the ground. 3m above the ground it breaks through a thin roof before continuing its fall. (a) given that the work done in breaking through the roof is 130 J. Calculate the velocity of the body after it ...

maths

A body of mass 11kg falls freely from rest from a height of 15m above the ground. 3m above the ground it breaks through a thin roof before continuing its fall. (a) given that the work done in breaking through the roof is 130 J. Calculate the velocity of the body after it ...

chemistry 20

A student mixed a solution of aqueous calcium chloride with an aqueous solution of magnesium sulphate. A precipitate formed. 1) Write the balance chemical equation for the reaction including states of matter. Ensure you write the reactants as a dissociated ions. 2) Based on ...

Physical Chemistry

A 3 mg sample of an unknown ideal gas is subjected to an adiabatic and mechanically reversible expansion from an initial pressure of 2 atmospheres to a final pressure of 300 torr. Given that gamma for the gas is 1.532 and that the temperature drop achieved in the expansion is ...

Physical Chemistry4

A 3 mg sample of an unknown ideal gas is subjected to an adiabatic and mechanically reversible expansion from an initial pressure of 2 atmospheres to a final pressure of 300 torr. Given that gamma for the gas is 1.532 and that the temperature drop achieved in the expansion is ...

Chemistry

i need some help with my science homework it`s the chemistry GCSE core:C2 TASK SHEET i need to design a leaflet explaining how to extract gold aluminium and iron. the words i need to include are anode,bauxite,carbon,carbon dioxide ,cathode,crust,cryolite,displacement,reaction,...

chemistry

Suppose a compound Z had a partition coefficient of 8.0 in ether-water. If 10.0 g of Z was dissolved in 100 mL of water, and if the water solution was extracted with two 100 mL portions of ether, answer the following questions. show your calculation. a) What is the total ...

Thermo

Calculate the equilibrium constant for the reaction NiO(s) + H2(g) → Ni(s) + H2O(g) at 1023K from the following data: Ni(s) + ½ O2(g) → NiO(s) ΔG0 = -244,555 + 98.53 T [J] H2(g) + ½ O2(g) → H2O(g) ΔG0 = -246,438 + 54.81 T [J] Could a pure nickel ...

Physics

A parallel plate capacitor has a rectangular plates with length 5cm and width 3cm. They are separated by a distance 12m and hooked up to a 20V battery A.) what is the area of each plate in m^2 B.) assuming nothing else is present on the circuit what is the potential difference...

French

hello I am going to a french interview tomorrow and the teacher is going to ask me:"do you have a topic that you have prepared that you want to talk about?" in french. and i will say "yes i have. my topic is about my house..." can someone please tell me how to say "yes i have...

chemistry

1-butanol (shown below) burns in the presence of oxygen to give off carbon dioxide and water by the following reaction: C4H9OH + 6 O2 ==> 4 CO2 + 5 H2O If 40.88 mL of 1-butanol burns completely, how many grams of 1-butanol have burned? grams =33.1 bu then Now, How many ...

Science (Please help!)

I have a few questions to ask: 1. Round worms make up the largest phylum of worms, the phylum _________ 2. many nematodes are parasitic, but most are _______ 3. Wastes leave the body of a roundworm through an opening at the end of the digestive tract called the ______ 4. ...

psychology

Every night in cordele Georgia 24 trains crisscross the city five mile radius. Each train blowsits whistle to alert citizens that it is passing through. Because of the residents of Georgia can sleep through all the whistles a. Selective attention b. Signal detection theory of ...

Physics

while at the shooting range, jonathan shoots a bullet traveling horizontally with speed of 35 m/s. the bullet hits a board, perpendicular to the surface, passes through it and emerges on the other side with speed of 21 m/s. if the board is 4.00cm thick, how long does the ...

MATH

A 2-mile long train travels at 40 miles per hour through a 1.5-mile long tunnel. How long will it take the train to completely pass through the tunnel? (Answer should be given to the nearest second.)

college math

Give the equation of the line that is perpendicular to the line y = x + 4 and passes through point (0,-1). A) y = x - 1 B) y = x + 1 C) y = -x + 1 D) y = -x - 1 So if passes through point o,-1 does that mean that the answer has to be negative? Answer A

trigo

the front wheel of a bicycle has a diameter of 16 in and the back wheel has a diameter of 26 in. through what angles does the front wheel turn if the rear wheel turns through 24 radians?

math

graphing a line through a given point with a given slope. graph a line with slope -1 passing through the point(1, -3) Thank you just do not understand sorry.

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