How does hard water affect a detergent?
I answered a question similar to this but in regards to soap, and we're talking more of a biochem approach, so I mention the calcium and magnesium ions.
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How does hard water affect a detergent? I answered a question similar to this but in...
5 in the presence of acid, soaps will undergo the reaction shown below. Explain how this would affect the ability of soap to act as a cleaning agent if it is used in water that is acidic. 6 A friend lives in an area where the tap water is very hard due to high levels of calcium ion. She notices that a bath soap containing sodium palmitate leaves a heavy film of soap scum on her shower. The chemical reaction...
QUESTION 7 Why are detergents more effective than soap in hard water? a. Detergents will precipitate under the acidic conditions of hard water b. Soaps will precipitate under the acidic conditions of hard water c. Soaps have a COO-group that does not precipitate with hard water d. Detergents have a SO3- group that does not precipitate with hard water QUESTION 8 What is the purpose of using 1 mL concentrated H2SO4 in the Fisher esterification reaction? a. To remove water...
I specifically need help with the last question asking about how this would affect the molecular formula, thank you 4. If some of the calcium metal remains unreacted when you start the titration, the calcium will react with hydrochloric acid to produce hydrogen gas. Ca (s) + 2 HCl(aq) + CaCl, (aq) + H, (g) Would this cause error in the titration? If so, would more or less HCl be required? How would this affect the molecular formula for calcium...
How does an imbalance of Cl- and Na+ ions affect the flow of water by osmosis into the lumen from the extracellular space?
thank you in advance!!! 2. What does soluble mean? 3. You can test whether something is soluble in water by putting a little in water and observing what happens. If you try this with two different substances, one of which is soluble, and one of which isn't, what differences will you be looking for? 4. Define polar covalent compounds. Give an example. 4. Define polar covalent compounds. Give an example. 5. Define non-polar covalent compounds. Give an example. 6. How...
how does the patient view of the meaning and and significance of his/her illness affect their health? i need to write essay on this question so can you please give me more information?
How does adding water to antimony trichloride affect (shift) the equilibrium even though it doesn't show up on the equalibrium constant expression? Is it because it dilutes the concentrations of the Cl- ions? Which way does it shift? SbCl3 (aq) + H20(l) <---> SbOCl(s) + 2H+(aq) + Cl-(aq)
b) Water "softeners" work via the principle of ion-exchange. The tank ork via the principle of ion-exchange. The tank of a water softener is filled with a soluble salt such as sodium chloride. As "hard" water passes through the tank, the . AS "hard" water passes through the tank, the undesirable ions in hard water (e.g., calcium, magnesium, and iron IIT) are exchanged for the more desirable "soft" (m 1) are exchanged for the more desirable "soft" (meaning more soluble)...
I posted a similar question earlier and the person who answered it was wrong. 8.8.50 A maker of a certain brand of low-fat cereal bars claims that the average saturated fat content is 0.1 gram In a random sample of 8 cereal bars of this brand, the saturated fat content was as shown belo 0.4 0.5 0.3 0.2 0.5 0.8 0.3 0.4 Would you agree with the claim? Assume a normal distribution Click here to view page 1 of the...
Question 9: How does the addition of an acetyl group to a histone protein affect nucleosome structure, and why? How would the actions of a histone acetyltransferase or a histone deacetylase affect the rates of transcription, respectively? (Keep in mind that DNA that is easier to access is more robustly transcribed.)