how many Br2 molecules are present in a 1.0-mL sample of pure liquid bromine?

Q: Which of the following items is a physical property?     the combustion of gasoline     the…

A: Whthe following items is a -       the combustion of gasoline - Chemical property   the corrosive…

Q: K Maya Paniagua - RC Ch 10 HW.p X E The State of Nature & the Social The School District of Palm…

A:

Q: G. C5H100 80.95 ppm, 6H, doublet 82.10 ppm 3H, singlet 82.43 ppm 1H, multiplet

A: There are multiple questions. We are authorised to solve only one question at a time. Please post…

Q: Which of the following are extrinsic properties? being made of paper O being to the left of a…

A: An extrinsic property is not essential or inherent to the subject that is being characterized.

Q: Analytical chemist from Petroleum Development Oman extracted petroleum from crude oil and measured…

A: Please have a look into the solution:

Q: ange alcohol burning- Chemical Change alcohol boiling– Onsical change 2. In boiling water, the…

A: In  boiling  water,  the bubbles  contain-a  a  mix  of  hydrogen  gas  and  oxygen gas  in  a 2:1…

Q: 4. How sizing down to Nano affect material properties?

A: Since  substances at the nanoscale level have a greater surface-to-volume ratio, which causes them…

Q: (1) Diamond and graphite are two minerals with identical chemical compositions, pure carbon (C).…

A: 1. Given that, diamond and graphite are two materials with identical chemical compositions and pure…

Q: (CH3)CO а. DBU b. "OH d. Br OH

A: (a)  (b)

Q: QUESTION 2 Express the volume 7.53 x 104 mm3 in the units of yd3. O 82.3 yd3 O 9.85 x 10-5 yd3 4.67…

A:

Q: Composition C-4 is a plastic explosive having a density of 1.05 g/cm3. Calculate the mass of a brick…

A:

Q: what state of matter is CH3CO2-? It's an ion, do ions have a physical state?

A: The compound considered is acetate ion, CH3COO-

Q: Which of the following is a chemical property of tin? O It is easily malleable. It melts at 232°C.…

A:

Q: A metallurgist wants to gold-plate a thin sheet with the following dimensions: 1.5 in x 8.5 in x…

A: first we have to find the volume, volume=length ×width ×height  then we know, density=mass/volume…

Q: Composition C-4 is a plastic explosive having a density of 1.05 g/cm3. Calculate the mass of a brick…

A: Given,  Density (D) of C-4 plastic explosive brick = 1.05 g/cm3 Volume (V) of C-4 plastic explosive…

Q: Q2. Which property of trinitrotoluene (TNT) is most likely a chemical property?(a) Yellow color(b)…

A: The chemical property of trinitrotoluene has to be identified.

Q: 2. The Anemovax COVID-19 vaccine uses 0.950% (w/v) NaCl (normal saline, preservative- free) as its…

A:

Q: All of the following are properties of sodium. Which one is a physical property of sodium?   A.…

A: Physical properties are those properties which resemble state of a substance, its shape, size and…

Q: An ice freezer behind a restaurant has a freon leak, releasing 30.77 g of C,H,F,Cl into the air…

A:

Q: WhalefossilsfoundintheSaharaDesertprovetheregionwasoncecoveredin water. Remnants of that water,…

A: Given: Mass of fossil water = 1.65 × 1014 tons. Density of water = 1.00 g/mL.

Q: 1. NH3 NaBH,CN 1. excess CH3I `NH2 2. Ag20, H20, heat NH2 1. NaNO2, HCI 2. H20 2. 3.

A:

Q: A sheet of aluminum (Al) foil has a total area of 1.000 ft2 and a mass of 3.946 g. What is the…

A: The conversion factor for ft2 and cm2 units is:1.0 ft2 = 929.03 cm2 Hence, the area of aluminium…

Q: 4. Given the schematic notation: Cu | Cu (0.0200 M) | Ag le

A: Cell notation  At anode : oxidation Cu (s)  ------> Cu2+ ( aq) + 2e-        E°( Cu2+/ Cu) = 0.34…

Q: 6. How can you use 7. Complete the chart below, cut it out and staple it into your journal.…

A:

Q: Since the Geologists at Grasberg know the density of gold to be 19.32g/cm^3 they were surprised by…

A: Density is defined as mass per unit volume of the substance  . Metals have high density as compared…

Q: 4. Which of the following statements best describes what happens when chocolate melts? a) This is a…

A: Physical Change - These are the changes that change the shape, size, color, state, etc. A physical…

Q: A 0.0890N NaOH is used for standardization. The initial volume reading in the burette was 0.30 mL,…

A:

Q: A 0.0890N NaOH is used for standardization. The initial volume reading in the burette was 0.30 mL,…

A:

Q: (A true story.) While organizing the undergraduate stockroom, a new chemistry professor found a…

A: A question based on mass spectrum, which is to be accomplished.

Q: 3. What is the volume of a aluminum ball at 10°C if its volume at 160°C is 300cm3 ?

A: Case: I (initial)Initial temperature, T1= 10∘CInitial volume,V1= ?Case:ii  (final) Final…

Q: ELEMENTAL CHEMISTRY Tell me what? 2of2 Ag (()

A: Metals are the electropositive element which can easily donate electrons. Metals are  lustreous,…

Q: The table below lists some properties of a sample of sodium hydroxide. Property Value Odor Odorless…

A: In the given table, we have given 4 different properties; odor, volume, melting point and density of…

Q: (6) + 02(9)

A: The balanced chemical equation: S(s) + O2(g)  ---> SO2(g)   Assigning oxidation number of each…

Q: Suppose that instead of using the cylindrical rod of Example 1-2 to prepare a 1.000 kg mass we were…

A: Given:Mass = 1.000 Kg = 1000.00 gDensity = 8.96 g/cm3

Q: A) H.PO. B) H:PO. С) НРО D) H:CO H:PO, +H HPO. +H* PO + H* HCO + H

A: We wil identify intracellular buffer

Q: Aluminum is a lightweight metal (density = 2.70 g/cm3)used in aircraft construction, high-voltage…

A: Conversion : 1 kg/m3 = 10-3 g/cm3  density = 2.70 g/cm3              = 2.70 x 103 kg/m3

Q: 4R) The recommended adult dose of Elixophyllin®, a drug used to treat asthma, is 6.00 mg/kg of body…

A: Given: Mass of drug = 6.00 mg/kg mass of person = 134lb To find: The mass of dose in mg

Q: Which answer lists all the substances below that are compounds and not any elements or mixtures? I.…

A:

Q: 2-86 When each of the following measurements are length is convert to inches, using a conversion…

A: The conversion factor used in the unit conversion has infinite number of significant digits. In the…

Q: 1. You are tasked to make an alternative disinfectant for corona virus. Which materials are you…

A: Disinfectant is necessary tool to combat corona virus. In disinfectant some chemicals have to be…

Q: What is the density of water in g/cm3?

A: To find: Density of water in g/cm3 =  ?? experimentally

Q: Mixtures have the properties of the substances that make them up.  B) Sandy water is an example of…

A:

Q: The dosage of quinine when a 145–lb adult takes a 200.–mg tablet is equivalent to - µg drug per kg…

A: Since 1 g = 1000 mg = 106  μg Hence 1 mg = 1000 μg  Hence 200 mg = 200 X 1000 = 2 X 105 μg = mass of…

Q: hich of the following an example of physical property of silver (Ag)? 1.) silverware slowly…

A: physical properties of silver are:- white, lustrous, soft, very ductile, malleable,  excellent…

Q: Determine whether the following statements describechemical or physical properties: (a) Oxygen…

A: Note: Since you have posted a question with multiple subparts, we will solve the first three…

Q: Composition C-4 is a plastic explosive having a density of 1.05 g/cm3. Calculate the mass of a brick…

A:

Q: (6) A group of students collected 125 empty aluminum cans to take to therecycling center. If 21 cans…

A: Calculate the mass of aluminum obtained from 125 cans:

Q: You are given a sample of material made up of protein and cholesterol. If a O.258 g sample of this…

A:

Q: Which answer lists all the substances below that are compounds and not any elements or mixtures? I.…

A: A compound is a substance that has a definite proportion of each entity present in the substance. A…

Q: P ading 1 Editing Dictate Sensitivity Voice Sensitivity Styles 1. Fill in the following blanks • Two…

A: 1) Filtration and Sedimentation can be used to separate undissolved solid from liquid. filtration is…

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.