In general, which characteristics are necessary for a location to be suitable for chemical storage? Select...
Homework Answers
the correct options are : Dark, Dry, Cool
Explanation : Chemicals stored in hot, humid and airy condition or in direct sunlight might be triggered to go through chemical changes/reactions and hence converted to something else. So these conditions are not suitable for the storage of chemicals.
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In general, which characteristics are necessary for a location to be suitable for chemical storage? Select...
Which of the following characteristics are necessary for a standard? Select one: a. Its reaction with...
Which of the following characteristics are necessary for a standard? Select one: a. Its reaction with the desired acid must be exothermic. b. It must be polyprotic. e c. It must be reasonably soluble. d. It must have a low melting point.
procedure, observation and result of this lab PHYSİCALAND CHEMICAL CHANGES FURPOSE: To determine whether changes in matter are physical changes or chemical changes. Sodium Chloride (NaCI) Magnesi...
procedure, observation and result of this lab
PHYSİCALAND CHEMICAL CHANGES FURPOSE: To determine whether changes in matter are physical changes or chemical changes. Sodium Chloride (NaCI) Magnesium Ribbon MATERIALS: Iodine Crystal Sucrose Sulfuric Acid PROCEDURE: 1. Salt. Dissolve a little table salt NaCI) in a test tube which is one fourth full of water. Dip a stirring rod into the solution and hold it over the Bunsen flame. What is the white substance? Has there been a physical or chemical...
Choose three characteristics of chloroplasts from the following list. Select one or more: The stroma of...
Choose three characteristics of chloroplasts from the following list. Select one or more: The stroma of the chloroplast is analogous to the matrix of mitochondria. The Calvin Cycle reactions only take place in the dark. Plastoquinone is a mobile electron carrier in the thylakoid membrane. The thylakoid lumen has a higher pH relative to the stroma. The dark reactions of photosynthesis take place in the thylakoid lumen. The F1 subunit of the chloroplast ATP synthase is oriented toward the thylakoid...
Which of the following pairs is suitable for making a buffer solution? Select one: O a....
Which of the following pairs is suitable for making a buffer solution? Select one: O a. CH3COOH and HCOOH Вь b. H2S and H2SO4 O c. Na2SO4 and H2SO4 O d. H3PO4 and NaH2PO4 Oе. NH4Cl and NH4OH
Asap, please. Incorrect Question 13 0/2 pts Which of the following is/are among the general characteristics...
Asap, please.
Incorrect Question 13 0/2 pts Which of the following is/are among the general characteristics of the fat-soluble vitamins? (Select All That Apply) Excesses are eliminated by the kidneys Absorption occurs in the small intestine They can be stored in the body Excess ingestion can lead to toxicity due to storage in the body Incorrect Question 13 0/2 pts Which of the following is/are among the general characteristics of the fat-soluble vitamins? (Select All That Apply) Excesses are eliminated...
1- Which battery system is based on half reactions involving zinc metal and manganese dioxide? Select...
1- Which battery system is based on half reactions involving zinc metal and manganese dioxide? Select one: a. None of these b. dry-cell batteries c. lead-acid storage batteries d. alkaline batteries e. fuel cells 2- According to the collision theory of chemical reactions: Select one: a. low energy collisions result in many successful reactions as there is sufficient time for the reactants to form products. b. low energy collisions do not occur in the gas phase. c. high energy collisions...
6. Which statement(s) describe the chemical structure above? Select one or more: a. This is a...
6.
Which statement(s) describe the chemical structure above?
Select one or more:
a. This is a nucleotide
b. This is found in DNA
c. This is a pyrimidine
d. This is found in RNA
e. This is a purine
HO OH OH OH
Which failure criterion is suitable to model soil behaviour? Select one: a. Tresca criterion b. Mohr-Coulomb...
Which failure criterion is suitable to model soil behaviour? Select one: a. Tresca criterion b. Mohr-Coulomb criterion c. Von Mises criterion d. Rankine criterion e. Drucker-Prager criterion
Based on the characteristics of each type of molecule, select the way(s) in which amino sugars...
Based on the characteristics of each type of molecule, select the way(s) in which amino sugars such glucosamine could be separated from steroid hormones such as estradiol the presence of a negatively charged group on one molecule the solubilities of the two molecules in water the presence of a positively charged group on one molecule OH HO-C-H Scroll down toc this question. H-C-OH H-C-OH CH2OH HO Based on the characteristics of each type of molecule, select the way(s) in which...
Which one of the following characteristics is excluded from the economics forces? Select one: O a....
Which one of the following characteristics is excluded from the economics forces? Select one: O a. Interest rates O b. Rate of exchange currency O c. Rate of unemployment d. Rate of pollution
Which of the following characteristics are necessary for a standard? Select one: a. Its reaction with the desired acid must be exothermic. b. It must be polyprotic. e c. It must be reasonably soluble. d. It must have a low melting point.
procedure, observation and result of this lab
PHYSİCALAND CHEMICAL CHANGES FURPOSE: To determine whether changes in matter are physical changes or chemical changes. Sodium Chloride (NaCI) Magnesium Ribbon MATERIALS: Iodine Crystal Sucrose Sulfuric Acid PROCEDURE: 1. Salt. Dissolve a little table salt NaCI) in a test tube which is one fourth full of water. Dip a stirring rod into the solution and hold it over the Bunsen flame. What is the white substance? Has there been a physical or chemical...
Which of the following pairs is suitable for making a buffer solution? Select one: O a. CH3COOH and HCOOH Вь b. H2S and H2SO4 O c. Na2SO4 and H2SO4 O d. H3PO4 and NaH2PO4 Oе. NH4Cl and NH4OH
Asap, please.
Incorrect Question 13 0/2 pts Which of the following is/are among the general characteristics of the fat-soluble vitamins? (Select All That Apply) Excesses are eliminated by the kidneys Absorption occurs in the small intestine They can be stored in the body Excess ingestion can lead to toxicity due to storage in the body Incorrect Question 13 0/2 pts Which of the following is/are among the general characteristics of the fat-soluble vitamins? (Select All That Apply) Excesses are eliminated...
6.
Which statement(s) describe the chemical structure above?
Select one or more:
a. This is a nucleotide
b. This is found in DNA
c. This is a pyrimidine
d. This is found in RNA
e. This is a purine
HO OH OH OH
Based on the characteristics of each type of molecule, select the way(s) in which amino sugars such glucosamine could be separated from steroid hormones such as estradiol the presence of a negatively charged group on one molecule the solubilities of the two molecules in water the presence of a positively charged group on one molecule OH HO-C-H Scroll down toc this question. H-C-OH H-C-OH CH2OH HO Based on the characteristics of each type of molecule, select the way(s) in which...
Which one of the following characteristics is excluded from the economics forces? Select one: O a. Interest rates O b. Rate of exchange currency O c. Rate of unemployment d. Rate of pollution
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