What characteristic is different in each isotope? a) the position in the periodie table of the elements b) the net charge of the nucleus c) the mass of the protons in the nucleus d) the number of neutrous in the nucleus

Q: 2. A solution of salt in water is a compound. heterogeneous mixture. a. b. homogeneous mixture. с.…

A: Homogeneous mixture : It is a mixture in which composition is uniform throughout the mixture.

Q: 4. Vinaigrette dressing with herbs is classified as a/an a. element 5. Tears is classified as a/an…

A: (4) Vinaigrette dressing is a process in which dressing or mixing of vinegar and oil take place ,…

Q: CH3OH

A:

Q: 1- Chemistry is the science that 2- Type of chemistry that identification of substances present and…

A:

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: All molecules attract each other to some extent,and the attraction decrease as the distance between…

A: Intervention between the particles depends upon the distance present between them. As stated in the…

Q: A dose of of asprin of 25.0 mg per kilogram of body weight has been prescribed to reduce the fever…

A: The temperature or fever of human body is brought down using aspirin tablets. It also helps in…

Q: Density is which property

A: Density is mass per unit volume.

Q: хи JI. CI t-BuO-/t-BuOH t-BuO-/t-BuOH NaOH H₂O

A: An arrow always depicts from a region of high electron density to low electron density ; that is…

Q: :O: 0:0 Н. H H EN. Q

A: Curved arrows indicate the flow of electrons. The tail of the curved arrow is placed at the source…

Q: It says change in H is incorrect.

A: Excess of HCl means NH3 is limitting reagent and hence moles of product depends only on moles of NH3…

Q: turned into notation

A: From the main question, the answer is given as:heat = 55.983 kJWe need to convert this value into…

Q: HO

A: The organic reactions are carried out in more than one step, each step is carried out with specific…

Q: Which structure is least likely as an intermediate or product for the following reaction? H + HONH2…

A: Carbonyl compounds react with hydroxylamine (OHNH2) to form oxime ( C=NOH)

Q: хон HA

A: The given reactant is 2-cyclopentyl propan-2-ol. The given condition is acidic.To determine: the…

Q: Mass is the measure of what property of matter?

A: Properties of matter are mainly two types such as physical properties of matter and chemical…

Q: 4. Goal: 2C02 + н20 --- С2Н2 + 5/2 02 Given: ДН - -94.5 кJ ДН - 71.2 КJ а. С2H2 + 2H2 ---С2Н6 b. Н20…

A: Chemical equation: 2CO2  + H2O    →   C2H2  + 52O2   ∆Hrxn = --94.5  -2× 71.2 - -283           =…

Q: CI Me O

A: The chemical structure shown in the image is 3-chloro-2,2-dimethyl-1,3-dioxolan-4-one. Here's a…

Q: So which numbers and units goes in the

A:

Q: a) or b) О Н OH

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

Q: When doing percent error do the estimated value and true value need the same amount of sig figs or…

A: The true value and the experimental values are calculated under different experimental conditions…

Q: A sample is said to be homogeneous if 1. OThe sample has a different composition in different parts…

A: Correct answer is (2.) The sample is completely mixed up. Homogenous mixture has uniform mixture and…

Q: What is Volume in matter??

A: Matter is anything around us that has a volume and mass, All the things we see in our daily life is…

Q: an dentify the following properties as being intensive (I) or extensive (E) of a substance. - The…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: A. Number and/or color of unknown hydrated salt B. Mass of beaker and cover C. Mass of beaker, cover…

A:

Q: Significant digit rules practice Give the number of significant digits in each of the following…

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

Q: kg The density of isopropyl alcohol is known to be 786- m³ density in the units of mg ml Determine…

A:

Q: If I wanted to connert 34 Smetcers in to Km which of the fellowing conversions noula i need?

A: Hi, as you have not provided the following options for the conversion. Hence we are solving…

Q: 15) Which one is the derived unit? ( 16) 17) A) Length B) mass C) Time D) Force Which one is not the…

A: Questions are about units errors and chemical and physical changes

Q: OH но OH HN E

A: H3O+ with heat give Condensation reaction between carboxylic acid and amine that means OH removed…

Q: ) Please Proude I a)

A: IUPAC stands for International Union of Pure and Applied Chemistry. It is a set of logical rules…

Q: which ones are hete nogeneas mixture örange juice, soil, wine, air, vegetable Soupj or ail ok them?

A: Mixture is the combination of two or more substances which are not held with the chemical bond.…

Q: t mass

A:

Q: What is the number of known elements?

A: The table in which the elements are arranged in an increasing order of atomic number is termed as…

Q: None

A: Let's break down the steps for creating the schematic symbol for the Festo LFR Filter Regulator in…

Q: Density of .80/cm3 if u have 60cm3 of the substance what would it’s mass be?

A: The density of a substance is defined as a mass of a unit volume of the substance. The density of a…

Q: Define the term unit conversion problems?

A: Unit conversion: It is defined as the conversion of units of some measurements into another units.…

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: 8. Consider the oxidation-reduction reaction: Al(s) + Ni²*(aq) → Al³*(aq) + Ni(s) a. Sketch a…

A: Please find the answer attached here.