2. A 700. mL, gas sample at STP is compressed to a volume of 200. mL, and the temperature is increased to 30.0°C. What is the pressure of the gas in Pa?

Q: (a) Study the picture below very carefully: Love Pik lovepik com (i) Write down anything WRONG which…

A: In chemistry, there are many ways to check the deviation of experimental data from the accurate…

Q: Compare picture I and II and choose: A = If the indicated property is greater in picture I than in…

A: We have to compare the stability of the given compound 1 and 2

Q: Which piece of equipment gives the lowest uncertainty   Question 15 options:   100 mL beaker   25…

A: There are different type of equipments which can be used to measure the volume of any liquid…

Q: How man

A: mole interms of particles :         1 mole = 6.022 x 1023 particles   mole interms of mass :…

Q: 8. An example of a homogeneous mixture is a) b) chicken noodle soup powerade the helium inside a…

A: A homogeneous mixture has a uniform composition and appears visually the same throughout. Any…

Q: _Li;SO; > 4.677 kilograms of BF3 makes how many grams of LiF? 3)_BF3 +. _B2(SO3)3 + LiF LIF

A: Given chemical reaction: BF3 + Li2SO3  ---->  B2(SO3)3 + LiF Writing down the balanced chemical…

Q: If a liquid contains 60% sugar and 40% water throughout its composition, then what is it called?

A: There are two types of mixtures:  Heterogeneous mixtures have visually distinguishable components.…

Q: The image below illustrate the complete separation. True or False? O True False

A: In the given image it is clear that there are three type of molecules: Red ones Blue ones And black…

Q: millimeters meters centimeters 96.1 12.6 61.5

A:

Q: 7. Average human body temperature is 37 °C or 310 K, and at that temperature oxygen is a and water…

A: The given blanks has to be filled with correct one.

Q: Select 5 correct answer(s) Cold Sugar Water Oxygen Sleep Carbon dioxide Light Table salt Temperature…

A: A chemical is a substance that has a specific chemical composition.A chemical substance can exist in…

Q: This is defenityly wrong

A: Using first order kinetics, concentration of CH3NC can be determined after 97.0 s.

Q: 7 PrePan (19) in To mL -

A:

Q: Compare picture I and II and choose: A = If the indicated property is greater in picture I than in…

A: We have to compare the boiling point blw aldehyde and ether

Q: The image below illustrate the complete separation. True or False?

A:

Q: a) or b) О Н OH

A: An aromatic hydrocarbon containing a primary or secondary alkyl substituent is oxidized by potassium…

Q: How is an element different than a compound?

A: Definition- An element is a pure chemical substance made of same type of atom.   A compound contains…

Q: Which of the following diagrams represents potassium oxide as a solid? K* K* K* K2+ 02- 02- K2+ K*

A: A compound is formed by the electrostatic interaction between the cation and the anion. The cation…

Q: Was there an attraction or repulsion between the plastic ruler and the aluminum foil (ball)? Why?

A: We have to write if there was attraction or repulsion between the plastic ruler and the aluminum…

Q: Methane, CH, Methanol, CH,0 H. H. H-C-H H-C--H H. H. 24. List three properties scientists should…

A: Methane and methanol are different in terms that, methane have all four groups , Hydrogen groups…

Q: 4) ½N2(g) + 02(g)= NO2(g) Kc = 1.04 x 10-9 N2(g) + 202(g)= N204(g) Kc = 7.42 x 10-18 Calculate Kc…

A:

Q: Mark the statements which are correct. (Select all that apply.) 103 mg = 1010 ng 106 mg = 1012 ng…

A: 1 liter = 1000ml 1gm = 10^9 ng 1L =1dm^3

Q: UuMm4+ Xx2Nn - UuNn, + XxMm B IU E I E E

A: The given unbalanced chemical equation is - UuMm4 + Xx2Nn -------> UuNn2 + XxMm   This is a…

Q: Classify each of the pure substances as an element or a compound. Drag the appropriate items to…

A:

Q: Which of these are pure substances? L Steam II Crude oil II. Salt water IV. Gun powder V. Oxygen VL…

A: Since you have asked multiple questions, as per our guidelines,we are supposed to answer only one…

Q: Which of the following can be more completely broken down? a) Petrochemicals b) Metals c)…

A: Among the given options, Petrochemical = does not break completely. Metals = does not break.…

Q: Complete the following table. Be sure each of your answer entries has the correct number of…

A: Answer:This problem is based on unit conversion where given physical quantity needs to be converted…

Q: Solving Problems using a scientific approach.

A: There are six important point to solve a problem via scientific approach.

Q: 11 This Pictograms stands for

A: The given pictogram is chemical hazard symbol. Chemical hazard symbols are found on reagent bottles…

Q: a) true,

A: To provide the strength, toughness, and endurance at high temperatures, superalloys are made from…

Q: Which of the following would be a homogeneous mixture?  A) graphite B) milk C) brass D)…

A: Which of the following would be a homogeneous mixture? The answer is given below with explanation.

Q: Which one of the following would have approximately the same mass as 40.0 cm³ of lead (d = 11.3…

A: A question about the relationship between mass and density, which is to be answered.

Q: A quantity of substance that can be seen would be considered the A level.

A: The complete sentence is: "A quantity of substance that can be seen would be considered the…

Q: Hazard symbols are recognizable symbols designed to know about (safety). * O True O False

A: Hazard symbols are some pictorial presentation which give some information about dangers associated…

Q: Find the mass of a solid gold rectangular bar that has dimensions of 6.35 cm x 12.5 cm x 33.3 cm. 4.…

A: Density is given as mass upon volume. Density is directly proportional to mass of the substance and…

Q: Properties "X" Melting Point (°C) 800 BO 1200 Soluble in water yes no no no по Yes Solid state…

A: Metal are good electrons donors and also they have high melting point and conducts electricity in…

Q: mixture that will caused a cube to be suspended in a liquid

A: To create a mixture that causes a cube to be suspended in a liquid, you can experiment with the…

Q: B Screenshot (png Distance: 1 biz = 4250 ftz 1 inz = 3.41 c-mz Volume: 1 gaz = 2.8 qtz = 13.8 Lz 1…

A:

Q: Foundation Of College Chemistry can you please give me the answer  step by step How many significant…

A: Significant figures are used to express the degree of accuracy of an answer. The rules for…

Q: Fill in the blanks by writing the name of the definition: _________ is a substance made up of only…

A: Matter classified into element compound mixture

Q: What states of matter present in t2-t3

A: Basically there are three states of matter present. They are: Solids Liquids Gases Solids are…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.