Bromine is a diatomic molecule that exist as a liquid at room temp and pressure.

Q: Draw a graph showing the change in potential energy as two molecules of fluorine get closer to each…

A: Potential energy curve is a plot in which potential energy U(r) is plotted as a function of…

Q: 13.3p. The three top components of natural gas are methane (CH4), ethane (C2H6), and propane (C3H8).…

A: Natural gas is composed of methane, ethane and propane along with small amounts of CO2, H2S.

Q: Which equation below violates the law of conservation of mass? a. 2H2+ O2 –→ 2H2O b. KCl + Br –→ KBr…

A: Law of conservation of mass = It sates that in a chemical reaction no mass is created or destroyed,…

Q: Determine the mass of the sample below. a) 9.11 x 1023 molecules of C15H21N3O15

A: Consider the given information is as follows; Molecules of C15H21N3O15 = 9.11×1023  Mass of…

Q: In what way is the lightest hydrogen unique?

A:

Q: Wanting to make your own ice cream at home, you purchase milk, ice, and salt (MW 58.44 g/mol). You…

A:

Q: steel tank of helium gas has been used to fill several party balloons.  At the molecular level, how…

A: On hot summer day heat is available. This heat makes the gas expand. A. False, due to heat supply…

Q: O Na 00₂ Br Br 10. Br Br

A: To choose the correct reagent for the given reaction.

Q: Take about 5 ml of dil. HCl in a test tube and add a few pieces of fine granules to it.Which gas is…

A: If the metal granules are added into the acid, metal reduces the hydrogen to H2 and MCl (in case of…

Q: State weather each of these molecules is polar or non polar A (NH3)Ammonia B (CCI4)Carbon

A: Polarity -  It is defined as the distribution of electrical charge over the atoms that are joined by…

Q: How many moles of neon are contained in the following volumes at Standard Temperature and Pressure…

A: One mole of ideal gas will occupy volume of 22.4 liters at STP   a)  44.00 L so number of moles of…

Q: ections: Each set of lettered choices below refers to the numbered statement immediately following…

A:

Q: Which one of the following statements is false? Group of answer choices   -Water is the most…

A: In green house gases about 60% of green house effect depends upon the water vapour because water is…

Q: Q1: In methane gas, how many electrons is each hydrogen atom sharing? How many is the carbon atom…

A: A chemical bond is formed by a force of attraction between two same or different atoms. There are…

Q: Now Do it! Now that you are done with learning the concepts, it is high time for you to do what you…

A:

Q: The melting points of NaCl, KCl, and RbCl are 801∘C, 770∘C, and 718∘C, respectively. Based on this,…

A: Compound Melting point(0C) NaCl 801 KCl 770 RbCl 718

Q: Calculate the number of atoms of carbon (C) in 475 cm3 of the colorless gas butane at 0 °C and…

A:

Q: Which of the following steps correctly converts 6 grams of fluorine to an equivalent number of moles…

A: To find: Which of the following steps correctly converts 6 grams of fluorine to an equivalent number…

Q: In a chromatography experiment, samples can be separated based on their polarity. If you have a…

A: In a chromatography experiment, samples can be separated based on their polarity. If you have a…

Q: There are three sets of sketches below, showing the same pure molecular compound (carbon monoxide,…

A: States of matter

Q: Calcium chloride has a lower melting point than barium chloride. Why?

A: The correct answer about melting point is given below.

Q: 6. Calculate the percentage of water in the compound CaSO,•6H,O. 7. Calculate the percentage of…

A: Answer: During the crystallization of certain compound, a few molecule remains the crystal of the…

Q: Based on the graph below, is this graph an endothermic or exothermic graph and why? Compare and…

A: The given graph if of heating of a solid substance.

Q: Which graph correctly shows the relationship between h 4/2 1/a 4/2 1/a 12 a

A: Half life is the time where the concentration  of the reactant becomes half

Q: Which pair of ions will form a compound of formula M2X?   a)  Sodium and carbonate   b)  Sodium…

A: We need to select the pair of ions that has the formula M2X

Q: An unknown substance has a mass of 13.9 gg . When the substance absorbs 1.251×102 JJ of heat, the…

A: Given : Mass of the substance, m =13.9 g  Heat absorbed, q=1.251×102 J Temperature change,…

Q: Review nomenclature rules using these 5 examples: Structure Name 1 H,C. H,C. CH OH Br H;C. CH2 2. 3.

A: Hi, since you have posted multiple questions that has multiple subparts we will answer the first…

Q: 1. For the molecule CH2F2 a) Specify if the molecule is polar or nonpolar and why. b) Draw the…

A: In CH2F2 molecule, The carbon atom is the central atom. The other Hydrogen and fluorine atoms are…

Q: Liquid ammonia and liquid methane have very similar molecular weights but substantially different…

A: The molecular weight of ammonia and methane is 17.0 g/mol and 16 g/mol, respectively. The boiling…

Q: A sample of a gaseous binary compound of boron and chlorine weighing 2.842 g occupies 0.153 L. This…

A: The number of atoms of boron and the number of atoms of chlorine in a molecule of this compound has…

Q: Liquid ammonia and liquid methane have very similar molecular weights but substantially different…

A: Introduction: Ammonia is compound of nitrogen and hydrogen having formula NH3. It is having pungent…

Q: For each pair of molecules given in the table below, identify the correct relationship. # 1 OH OH #…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Nitric oxide (NO) is produced in internal combustion engines. When NO comes into contact with air,…

A:

Q: MCQ 27: Avogadro's constant is the numb A. 6.02 x 1023 В. 6.03 х 1032 C. 1.2 x 10 D. 1.23 x 10 2

A: The question is based on mole concept. we have to identify the value of avogadro number.

Q: 2. Still sleepy from a late night studying, you take the milk out of the refrigerator and pour it on…

A: Coagulation of spoiled milk due to bacterial growth can be explained as below:

Q: Calculate the value of AH for N2H4 (1) + 02 (g) + N2 2 NH3 (g) + 3 N20 (g) N20 (g) + 3 H2 (g) 2 NH3…

A: To determine the value of ∆H of the reaction Hess law. According to Hess law the enthalpy change of…

Q: This are topics that will come in my quiz. Can you give me one example of each? perform…

A: Hi there, as there are multiple questions posted. We are answering the first question. If you need…

Q: Which of the following elements can be found as a diatomic molecule when it isn’t combined with…

A: To find: The diatomic molecule is: 1. Neon 2. Carbon 3. Wolfram 4. Oxygen

Q: pH = 7,36 PCO₂=36 mmol/l 2 SB= 19,5 mmol/l BB=39 mmol / BE=-5 mmol/l

A: The concept is in respect to Arterial blood.

Q: There are three sets of sketches below, showing the same pure molecular compound (carbon monoxide,…

A: For carbon monoxide(CO), the melting point is - 205. oC and the boiling point is - 192. oC.  Hence…

Q: ||||| H The above compound has a H Select one: 93.3% 78.6% 0 71.5% 75.0% o boiling point than…

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Q: Draw the Lewis structure for Carbon Dioxide

A: Valence electron of Carbon = 4 Valence electron no of Oxygen = 6 Total valence electron CO2 = 4 + (2…

Q: There are three sets of sketches below, showing the same pure molecular compound (carbon monoxide,…

A: A question based on matter that is to be accomplished.

Q: Ba(NO3)2 + NH,SO;H + H,O – Ba(NH,SO;)2 + HNO3 a.

A: Concept:  The study of the chemical processes occurring in living matter is called biochemistry. It…

Q: Iron (III) oxalate has the chemical formula below. This unit of iron (II) oxalate contains *…

A: The formula of the compound given is Fe2(C2O4)3.

Q: How many different chemical compounds are in the gas phase? 2. 3. 4.

A: From the given picture, it is clearly shown that there are three different compound present in the…