31.True or False: This is the correct Lewis structure for calcium fluoride, CaF2. [Select] 2- Ca2+

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

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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.…

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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…

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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

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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: TRUE

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

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: 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

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

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Q: =13.5x10 X 10 46.9 km = Tm 586 pg= kg nm D. 5.65 X 10 Gm=

A: Given :- 46.9 km               586 pg               5.65 x 108 Gm  To convert :-  Km to Tm  pg to…

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

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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…

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Q: Homogenous mixture Heterogeneous mixture

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A: As per the regulations only first three subparts can be answered.   General properties of matter:

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Q: Prepared 8 M of HCL in 500 ml, that density is 1.19 g/cm3 and percentage * ?% w/w is 37 The volume…

A: Option C is correct answer. The volume needed is327.06 ml.

Q: Celsius scale water freezes On the Celsius scale, water freezes at 32 degrees. True or False True…

A: Given statement is true or false ?