You have 72 mL of water in a graduated cylinder. After dropping a pebble into the graduated cylinder, the volume now reads 43 mL. What is the volume of the pebble?

Q: Draw chemical structure of p-isopropylaniline Zig zag style

A:

Q: What functional groups does capsaicine belong to?

A: Capsaicine, the compound contains phenol, ether, amide, and alkene functional groups. It is an…

Q: anti-egg white injury factor. * vitamin B12 vitamin B2 vitamin B6 vitamin B7

A: Vitamins are the organic substances that are required in smaller quantities for the proper…

Q: Describe how feces affects the food chain and ultimately the food we eat.

A: Food chain: A food chain would be a network of linear linkages in a food web that begins with…

Q: Identify the highlighted functional groups in the steroid molecule.

A: Steriod is a class of natural or synthetic organic compounds characteristized by a molecular…

Q: Search the Web for information on any new drugs for treating one of the following diseases:…

A: A). Pneumonia : Adults with pneumonia should first try macrolide medicines like azithromycin or…

Q: So, what happens when soaps and sanitizers interact with a virus?  Please explain:

A: Soaps that are made from using fats , when interacting with the virus soap form a fatty layer…

Q: Describe materials that serve as antigens fall into chemical categories.

A: The molecules that initiate the production of an antibody to cause an immune response is called an…

Q: A positive anti-RNP in the antinuclear antibody group is suggestive of which autoimmune disease?…

A: The objective of the question is to identify the autoimmune disease that is suggested by a positive…

Q: Propose an efficient synthesis for the following transformation: The transformation above can be…

A: Answer:- This question is answered by using the simple concept of chemical reactions of organic…

Q: a) Given the data table: AH°† (kJ / mol) S°m (J / K mol) 5.7 C(s, graphite) CS2(g) S(g) 115.3 237.8…

A:

Q: How does fasting plasma/blood glucose test be utilized in a clinical setting?

A:

Q: give a brief account of novel drug delivery system.

A: A Novel Drug Delivery System (NDDS) can be defined as a new approach that combines innovative…

Q: What is meant by the term virion?

A: Virion is a functional virus that can infect human body/ tissues. It has its own genetic material…

Q: What are the building blocks of fat?

A: Fats are nutrients like carbohydrates and proteins.

Q: 26. Write in the first two boxes on the left an equation using structural formulas for the reaction…

A: The reaction between C3H8 (propane) and Cl2 (chlorine) is an example of substitution reaction where…

Q: draw N-pentylaniline

A: Aniline contains -NH2 group over benzene. In N-pentylaniline one H of -NH2 group is replaced by…

Q: Propose an efficient synthesis for the following transformation: The transformation above can be…

A: In the given reaction cyclohexanecarbaldehyde is converted into cyclohexanone.

Q: People who have a familial hypercholesterolemia disease are likely to:   have no…

A: The objective of the question is to understand the likely symptoms or conditions that people with…

Q: All blood groups are composed of glucose, fucose and N-acetylglucosamine True False

A: The objective of the question is to verify the composition of all blood groups.

Q: Hgfghh

A: In this ques nothing is written except hgfghh. Pls give me more information.

Q: What is the double replacement of CdCI2 + Na2CO3

A: Answer:- This question is answered by using the simple concept of double replacement reaction in…

Q: Hormones are controlled by negative feedback loops, positive feedback loops, pulsatile secretions…

A: The objective of the question is to verify the statement about the control mechanisms of hormones.

Q: What are examples of aberrant or discordant results in antibiotic susceptibility testing?

A: The main types of antibiotics include: Penicillins - for example, phenoxymethylpenicillin,…

Q: It is common now to see “contains no tropical oils” on cooking oil labels, meaning that the oil…

A: Plant oils are oils extracted from plants contains fatty acids which are different from animal fats.…

Q: Part A Calculate the standard cell potential for each of the following electrochemical cells.…

A: In this question we will be calculating electrochemical potential of the given reaction which came…

Q: Unlike animal hormones, plant hormones can have multiple functions depending on which of the…

A:

Q: The number of carbons in this fatty acid is

A:

Q: 25. Using the data below, indicate if the reaction produces (or consumes) heat, produces (or…

A: Enthalpy of the reaction describes, if the heat is consumed or released. When heat is released, the…

Q: Discuss briefly how a glucometer works

A: GLUCOMETER USES TO DETERMINE THE CONCENTRATION OF GLUCOSE OR,SUGAR IN BLOOD.MOST DEVICES USE…

Q: Why is it important that the chemist separate the two enantiomers and test each for its biological…

A: Enantiomers exhibits similar chemical and physical properties.

Q: Which of the following would you recommend to a friend that is having difficulties breastfeeding her…

A:

Q: Question 7: The molecule shown below is hydrobenzoin, which is commonly used in asymmetric organic…

A: If the molecule is symmetric and contains even numbers of chiral carbon, then the number of…

Q: Antibodies against HAV:     Question 10 options:   A)  persist after…

A: The question is asking about the behavior of antibodies against Hepatitis A Virus (HAV) in the human…

Q: Search the Internet for information on the use of hormone replacement therapy (HRT) in…

A: In postmenopausal and bilaterally ovariectomized women, hormone replacement therapy (HRT) is…

Q: What is the structure of a molecule of hemoglobin?

A: Hemoglobin is a protein part of the blood which carries oxygen to all parts of the body.

Q: Compound X has a molar mass of 134.13 g•moland the following composition: element mass % carbon…

A: Given, % composition of C = 44.77 %, % composition…

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.