76.CH>1°>>2°,3° → Sn1 CTrue False 76.Ist order reaction (r=k[RX]) → Sn2, E2 CTrue False 77.100% inverted → Sn2 True False.

Q: A mixture is composed of two or more pure substances. True or False.

A: A mixture is defined as the combination of two or more different substances physically.

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

A:

Q: Classify these substances. More than one answer may apply in each case. N2 solution O homogeneous…

A: Element - It is a pure substance made up of only a single atom.  Compound - It is a pure substance…

Q: Determine whether the following example is either a systematic or random error: Eggs are sold by…

A: A question based on analytical process that is to be accomplished.

Q: Accuracy and precision are two important factors to consider when taking data measurements and they…

A: Accuracy and precision are two important factors to consider when taking data measurements and they…

Q: lassify each as either a physical change, physical property, chemical change or chemical property.…

A: We have to classify each given below as either a physical change, physical property, chemical change…

Q: Could the compounds shown below be separated by distillation? Yes or No. Using a sentence, explain…

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Q: • Part B O2 (8) +2H20 (1) + 2Cu (s)+40H (aq) + 2Cu (aq) Express your answer using two significant…

A:

Q: When measuring length in the lab, we generally use units of inches. True False

A: True or false statement?

Q: 23892U > 23290TH + 42He2+ True False

A: Given that:  238U92 ......> 232Th90 + 4He22+ In given reaction , Helium particle is emitted.…

Q: ements in chemical instrumentation have not lead to True

A: Chemical Instruments are used in all aspects of science. Chemical instruments are used to identify…

Q: Question #3: Fill in the number or 1/[S] in the table below. Round to the nearest hundredth.…

A: In the given question we have to fill the data.  rate  is given we have to find out 1/[S] = 1/rate…

Q: 2. Compare the objects and masses from Part III. Which measurement included the highest percent of…

A: The measurement of every quantity contains a degree of uncertainty irrespective of the tools…

Q: Give typed solution not written How many milligrams in 1.26 scruples? 3 scruples = 1 dram 1…

A: How many milligrams are in 1.26 scruples

Q: Which of the following is not used to separate components in the mixture? Group of answer choices…

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: A liquid in the lab has a density of 1.24 g/cm. What is the mass in grams of 254 mL of the liquid?…

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

Q: Explain the difference between random error and systematic error.

A: A mistaken result or false result obtained in an experiment or study is termed as error. Error is…

Q: Br H₂C-CH₂ SPECIAL The name of compound C is: VI 3 IV H M FC # 22 CH3 GREEK ALPHABET CH3 8 X . F O 8…

A: We need provide the IUPAC name for the given organic molecule.

Q: Which of the following statements is TRUE? Group of answer choices A scientific law summarizes a…

A: (i) A scientific law is a generalisation of repeated experimental results. Hence, the given…

Q: TRUE

A: The given statement is, The fine hole releases a spare liquid after closing a top-filled pycnometer…

Q: mixtures =) Complete: A mixture is composed of substances which are not chemically combined.…

A: Let us define the mixture and then fill the blanks.

Q: Is the drink of boba tea with pearls in the cup a pure substance that is an element, a pure…

A: Element: An element is formed by only one type of atom. All the atoms in the element are the…

Q: 4- 100- 50- 0₁ 20 27 30 39 40 43 51 50 60 63 70 74 77 80 91 90 100 105 110 120 120 130

A: Mass spectrometry is a very useful technique to know the structure of an unknown compound by the…

Q: ey tend to gain electrons when forming ions. ey tend to be poor conductors. ey tend to lose…

A: Metal and non metals can be differentiated on the basis of physical and chemical properties.

Q: Air is a pure substance. True False

A:

Q: Mixture of water and sand is an example of Heterogeneous mixture Select one: O True O False

A: Answer  A mixture in which the composition is not uniform throughout…

Q: Consider the reaction described by the equation С,Н, Вr, (аq) + 3I (ад) — C,H,(g) + 2 Br¯(aq) + I5…

A: Answer:- This question is answered by using the simple concept of chemical kinetics which involves…

Q: if you use 2 molar equivalents of compounds 1, how many milligrams

A: To calculate the milligrams of Compound 1 needed for 2 molar equivalents, you'll need to know the…

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: Cl₂O Express your answer in percent to four significant figures.

A: The molar mass of an element is the mass of one mole of that element. It is usually expressed in…

Q: Write the following in Standard form

A: Standard form is used for writing very large numbers or very small numbers

Q: Is pure 24-carat gold a substance, element, and/or compound? Explain.

A: 24-carat gold an element. It can be also reffered to as pure substance. It contains only the gold…

Q: 1 sig fig 2 sig figs 3 sig figs 4 sig figs 5 sig figs Answer Bank 0.006 0.030 890020 140 4.050 11020…

A: Significant figures:- preceding zero after decimal doesn’t count. For example 0.008 can be written…

Q: Bronze is an example of Homogeneous mixture ؟ true or false

A:

Q: The theoretical density of metal is 2.70g/ cm cube. The experimental density a student found in the…

A: We have to calculate the percentage error.

Q: A_ is formed by a chemical combination of two or more elements. Select one: O New element O…

A: Homogeneous mixture  The mixture which is formed by the two or more substance by the  uniform…

Q: What is a suitable prefix that can be used for 1/1015

A:

Q: A Chemical compound is formed by combination of different substances and therefore it is a mixture.…

A: The law of constant composition states that the ratio by mass of the elements in a chemical compound…

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.