Complete and balance the following equations. Click in the answer box to open the symbol palette. 1 10 (а) В + Н> 5 1 209 Bi + a→ 83 1. +2 n 4 (b) 2 13 - N 12 (c) С + 6.

Q: Briefly describe the purpose and importance of the following procedures in the analytical process:…

A: Sample preparation is the most important step in chemical analysis to start with.

Q: 6. Give a clear description of how you would separate the following mixtures: a. Sugar from water b.…

A: a) We have to separate Sugar from water  : The easiest way to separate a mixture of sugar and water…

Q: 14 14 1. 6C 7 N+ 1H 14 1N -le le

A: In this question we have to find the missing part in the radioactive decay.

Q: Q.5 (A) Write the chemical names for the following chemical compounds. a) Caustic soda b) Laughing…

A: Part A The chemical name of this compound is sodium hydroxide. The chemical name of this compound…

Q: Give the correct formulas for the following compounds. If you do not know how to use subscripts for…

A: A)  MP B) M3(PO4)4 C) M3(PO3)2 D) MHSO4

Q: 3. If a student had access to a balance for this procedure, they would also be asked to weigh each…

A: • % Composition of A in mixture = Mass of AMass of Mixture x 100Given,Mass of Iron = 2.85g.Mass of…

Q: Take the mass measurement with nitrogen (28 dalton or atomic mass units per molecule) and the mass…

A:

Q: Which of the following substances always has the same proportion (i.e. a fixed ratio) of its…

A: Proportion can be fixed or be varied in various substances.

Q: 3+(aq) +3 e Al(s) E° = -1.676 V %3D 2+(aq) + 2 e Zn(s) E° = -O.763 V %3D

A: Ecell for the given reaction is

Q: The following is an example of a physical change: O formation of rust O production of energy by…

A: Physical change: In a physical change only the state of matter changes. In this change different…

Q: 6. Given your experience in mass determinations (Experiment 1) and with volumetric glassware…

A: There is two common methods mostly used in chemical laboratory are the determination of mass and…

Q: What type of process is involved in going from elements to compounds and vice versa? Elements can…

A:

Q: The mass of a single vanadium atom is 8.46×10-23 grams. How many vanadium atoms would there be in a…

A: Density is the physical quantity that relates mass of a substance with its volume.Mathematically,…

Q: A student performed an analysis of a sample for its calcium content andgot the following results:…

A: The question is based on the concept of analytical chemistry. we have to explain regarding accuracy…

Q: | Which one of the following is often easily separated into its components by simple techniques such…

A: The combination of two or more substances without the participation in the chemical reation yields a…

Q: Which of the following is a property attributed solely to chemical change? Change of color due to…

A: Which property is attributed to chemical change is given below.

Q: Classify the following materials as substances or mixtures: absolute (pure) alcohol, milk (as…

A: A material can be classified as mixture or substance depending on their properties. The material…

Q: A cube of an unknown metal measures 1.61 mm on one side. The mass of the cube is 36 mg. Which of the…

A:

Q: Why was it necessary for separation techniques and methodsof chemical analysis to be developed…

A: Law of definite composition states that the composition of a particular compound is the same no…

Q: 1) Which of the following is chemical property? A. Objects made of silver become tarnished. 3+ B.…

A: Chemical property of a substance is the property that observed after or during the chemical…

Q: Which of the following represents a chemical property of hydrogen gas? O It is not a liquid at room…

A: Chemical properties:  The capacity of a substance to undergo a chemical change during the reaction…

Q: What is the relationship between calculating the amount of iron in a vitamin pill and physical…

A: The analysis of present iron in a supplement tablet can be done by a redox titration reaction. Iron…

Q: Which of the following is a chemical property? O Changing shape Melting point O Oxidizing…

A: Physical change: In a physical change the physical state of matter changes. In this change different…

Q: What number is 5.12234 E1 in standard form?

A:

Q: It has been estimated that there is 4.00 × 10-4 mg of gold per liter of seawater. At price of…

A: 1 km3 = 1012 L Therefore, 7.53 km3 = 7.53  x 1012 L

Q: How is accuracy and precision related to errors incurred in the chemical analysis?

A:

Q: 6. 4 12 4.4Вe + 2Hе 6С+ le On 2 1H 0. 1H

A: We know that

Q: The element silicon has a melting point of 1,410°C and a boiling point of 2,355°C. It is a weak…

A: Since in the question it is given that it reacts with O2 i.e oxygen in air and form SiO2 i.e silicon…

Q: 1. Which of the following is NOT a pure element Nitrogen Carbon Dioxide

A: Pure substances :- Pure substances consist of single type of particles. Pure substances can be…

Q: Which of the following is NOT included in Section 9: Physical and Chemical Properties (A) Chemical…

A: The correct option is:

Q: 3326 10 1667 1624 60 716 62 1329 52 970 77 S50 79 3140 37 3114 44 1611 21 I667 14 ISI 28 1261 21…

A: The question is based on the concept of IR Spectroscopy.   we have to analyse the spectra provided…

Q: An analyst performed an analysis of a sample for its calcium ions content got the following results:…

A: Accuracy means the agreement of a particular value to the true value. Hence accuracy is the measure…

Q: All of the platinum ever mined = 25 ft3 What is the price of all of the paltinum ever mined?…

A: The conversion of volume of platinum from 25 ft3 into cm3 can be done as,

Q: What was Dmitri Mendeleev’s major contribution to the field of chemistry?

A: Dmitri Mendeleev is a chemist born in Siberia and has great inventions in the field of science. He…

Q: Was there any physical change in the characteristics of trichloroethane when it was added to water?

A: Trichloroethane is micible in water. When it is added to water there is no any physical change.

Q: The following ratios of NaOH to HCl were determined in an analysis: T1 = 0.9958, T2 = 0.9929. How…

A:

Q: How is accuracy and precision related to errors incurred in the chemical analysis?

A: In chemical analysis there are mainly two categories of measurement. Qualitative analysis…

Q: Q5. As part of the aspirin synthesis lab, the orgo students also had to perform the following…

A:

Q: The mass of the original mixture was 2.03g. The combined mass of the salt and the evaporating dish…

A: Since you have posted a question with multiple subparts, we will solve only the first 3 subparts…

Q: 1s²2s 2p*3s' Express your answer as a chemical symbol.

A: Part A Excited electronic configuration is 1s2 2s2 2p4 3s1 1 electron from 2p transferred into 3s…

Q: Distinguish between the terms in each of the following pairs, using specific examples.. (b)…

A: Distinguish between the physical and chemical properties Physical change-A change in which no new…

Q: Complete the following equation by filling in the blank. 24696Cm + 126C → ____ + 4 10n

A: A question based on nuclear reactions, which is to be accomplished.

Q: ? 239 94 Ри + 96 X + ¿n

A:

Q: A student needs to identify an unknown substance found in the lab based on its physical properties.…

A: We are given physical properties like mass and volume and density data, and we have to identify the…

Q: 1. SC.912.P.8.2 - Discuss volume, compressibility, density, conductivity, malleability, reactivity,…

A: When a mixture(or a pure substance) has a single phase in it, it is called homogenous system. When…

Q: and sighinicait ngur es. 1. 18 x 10-19– 5.21 x 10-20 O4.03 x 10-20 O4.0x 1020 6.59 x 10-20

A: For addition or subtraction of significant figures, we Round off the sum or difference to the same…

Q: 2) What evidence indicates that new substances with different properties are formed during chemical…

A: Evidences that indicates that new substance with different properties formed during chemical…

Q: Suppose that a student dehydrates strontium chloride hydrate and reports the formula as SrCl2 •…

A: According to the question, a student dehydrates strontium chloride hydrate and reports the formula…

Q: Write an equation to show how perchloric acid, HC1O4, reacts with water. Include states of matter in…

A: HClO4 is called perchloric acid  It is a strong acid , hence in the water it dissolves completely,…

Q: 2.66 + 4.38 ×10* -1.0835×10 K K JK T -1.2517×10¬ K -2.85 + 6.543×10² K?

A: Now, ∆S298 =2S298oHcl-S298oCl2-S298oH2 ∆S298 =2×186.9-223.1-130.7∆S298 =20Jkmol

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.