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Question 18 In which of the following pairs of chemical formulas do both formulas represent compounds?...
In which of the following pairs of chemical formulas do both formulas represent compounds? CO2 and SO2 Sg and SO2 HCI and N2 O2 and 03
Question 17 2 pts To what temperature must a balloon, initially at 25°C and 2.00 L, be heated in order to have a volume of 6.00 L? 75°C 621°C -174°C 8.3°C Question 18 2 pts In which of the following pairs of chemical formulas do both formulas represent compounds? CO2 and SO2 o O2 and O3 Sg and SO2 HCl and Zn
Which of the following compounds are products in the following chemical equation? CHA + 202 — CO + 2H20 O A) CH4 and H2O OB) O2 and CO2 C) CH4 and 02 OD) CO2 and H20
Which of the following pairs of compounds may be distinguished by chemical test using the reagents indicated? CH3CH2CHO and CH3COCH3: Brady's reagent CH3COOCH3 and O HCOOCH2CH3: Reagent- Jones reagent HCOOH and CH3COOH: Reagent-NaHCO3 CH3CH2CHO and O CH3CH2COOH: Reagent- Ammonia CH3COCH2CH3 and OCH3COOCH2CH3: Reagent- Tollen's reagent
Question 9 2 pts In which of the following pairs of ionic compounds are both members of the pair soluble in water? Ba(OH)2 and BaSO4 PbSO4 and Baco; AgNO3 and Ag,CO; NH,I and CuSO4 Question 10 2 pts Choose the correct numerical value for the molarity from the response list for a solution prepared from 0.10 mole solute in 2.0 L of solution. 0.20 M 20.0 M 0.10 M 0.050 M Question 11 2 pts Which of the following solutions...
5.36 For each of the following pairs of compounds, determine the relationship between the twWo compounds: (a) Determine the relationship between the two compounds: ai brud ai (loT omoba o bu bot 1o inom d oi bou b (b) Br Br b o i ob oi i 21 gnivollo od i o Id sdio toiten (e) (f) Он Он ido s as noonut odi tolo vino olido s ai mos aunodqeodq do isg snol oh
Which of the following pairs of compounds may be distinguished by chemical test using the reagents indicated? HCOOH and CH3COOH: Reagent- NaHCO3 CH3COCH2CH3 and O CH3COOCH2CH3: Reagent- Tollen's reagent O CH3CH2CHO and CH3CH2COOH: Reagent- Ammonia O CH3COOCH3 and HCOOCH2CH3: Reagent- Jones reagent O CH3CH2CHO and CH3COCH3: Brady's reagent When it is fully combusted, 0.01 mol of a noncyclic alkane X, gives 0.72g of water. What is the empirical formula of X? O C2H5 O C5H12 O C3H8 O CH3 O...
Which of the following pairs of formulas represent isomers? СНз СНз СНз о сн2- сн СHy СH2- СHн-СНЗ and Снз O CH3 -CH2 CH2 CH3 and CH3 CH2 CH3 and CH3-CH2-CH2 СНз- СH2 CH2- CHЗ Снз СНЗ СНз CHз- СH2- С -СH3З о СНз- СН - СН-СНЗ and СH3 С3з
Which of the following pairs of formulas represent isomers? CH3 - CH2 - CH2 - CH3 and CH3 - CH2 - CH3 CH3 CH3 - C-CH3 and CH3 - CH2 - CH3 сH3 СН3 CH3 CH3 -CH-CH-CH3 and CH3 - CH2 - C-CH3 сна СН3 CH3 - CH2 and CH3 - CH2 - CH2 СН2-СН3 СН3 CH3 СН3 o CH3-CH-CH-CH3 and CH3-CH2-C-CH3 сH3 СН3 CH3 - CH2 and CH3 - CH2 - CH2 СН2-СН3 сHз CH3 CH3 СН3 о сH2...
1. Consider the following Fischer projection formulas of 3-amino-2-butanol. Decide which pairs of the formulas are related as enantiomers, which are related as diastereomers, and which represent identical molecules. Assign R or S absolute configuration to C2 and C3 for each structure, and then decide. List your results by letters in the spaces provided below. (5 pts) CH2CH3 O CH3CH2 - NH căH HS CH2CH3 H. NH2 SH CH3CH2CH CH,CH2 C- NH, SH Enantiomeric pairs: Diastereomeric pairs: Identical molecules: