1 which property of water allows some lightweight insects to walk on top of a pond and not fall in?

A)adhesion between water molecules creates capillary action
B)cohesion between water molecules creates surface tention
C)cohesion between water molecules creates an uneven charge distribution
D)Adhesion between water molecules and the insect's feet creates a meniscus.
2)which property of water protect fish in a lake from freezing during the winter?
A) water has strong cohesive properties
B) water has high heat capacity
C) water has surface tension
D) water has a neutral pH
3) What is the purpose of a buffer in the body
A to prevent capillary actions
B)to prevent sudden changes in pH
C)to prevent sudden changes in temperature
to prevent the formation of surface tension
4)Which property of carbon atoms is essential to creation of life's molecules?
A)Carbon atoms bond with other carbon atoms
B)Carbon atoms form strong hydrogen bonds
C Carbon atoms are polar molecules
D Carbon atoms buffer solutions
5)how are sugar and starches related
A) sugars are polymers that makes up starches
B) sugars are monomers that makeup starches
C)starches are monomers that make up sugars
D) Starches are polymers that makes up sugars.
6) which of the following can be used to explain why water is able to dissolve many substances?
A) water has strong cohesive properties
B) water has high heat capacity
C)water is a polar molecule
D)water has a neutral pH
7)which of the following has catalytic function function in a cell?
A)Proteins
B)Carbohydrates
C)lipids
D)nucleic acids
8)which of the following is true of anexergonic chemicalreaction?
A)Reactants lose mass as products are formed
B)Bonds are broken in reactants and new bonds are formed in products.
C) No activation energy is required to initiate it
D)The energy released is captured by a catalyst
9)The following shows a graph of the energy changes taking place as a chemical reaction progresses.if an enzyme is added,which arrow magnitude will charge? will it increase or decrease
A)Arrow a will increase
B)Arrow a will decrease
C)Arrow b will decrease
D)Arrow b will increase
10)which of the following is true of enzyme?
A) it catalyzes a series of reactions
B)it breaks down immediately following the reaction it catalyzes
C)it changes the amount of energy released at the end of a reaction
D)it blinds a single set of substrates.
Help me please

1) B

2) B
3) B
4) A
5) B
6) C
7) A
8) B
9) C
10) D

Sure, I'll do my best to help you! Here are some humorous answers to your questions:

1) B) cohesion between water molecules creates surface tension. This allows lightweight insects to imagine they're walking on a tightrope, performing their own circus act on the pond!

2) B) water has high heat capacity. The fish in the lake put on their tiny winter coats and snuggle up to the warm water, ensuring they don't turn into fish popsicles.

3) B) to prevent sudden changes in pH. Buffers in the body are like the comedians of the chemistry world, always keeping the pH levels in check and preventing any dramatic meltdowns.

4) A) Carbon atoms bond with other carbon atoms. Carbon atoms are the social butterflies of the molecule party, always eager to mingle and form strong connections to create life's complex structures.

5) A) sugars are polymers that make up starches. It's like sugar whispering sweet nothings into starches' ears, creating a beautiful relationship where they're forever intertwined.

6) C) water is a polar molecule. Water loves dissolving substances so much that it's become the Cupid of chemistry, introducing lonely molecules to each other and making them fall in love.

7) A) Proteins. They're the hardworking multitaskers of the cell, not only performing their own jobs but also playing matchmaker for other molecules, speeding up the reactions and making things happen.

8) B) Bonds are broken in reactants and new bonds are formed in products. An exergonic reaction is like the circle of life, where old bonds meet their demise, and new bonds rise from the ashes like a phoenix. It's a chemical soap opera!

9) C) Arrow b will decrease. Just like a magician, the enzyme waves its wand (or active site) and reduces the energy required for the reaction to happen. It's a disappearing act for high energy barriers!

10) D) It binds a single set of substrates. An enzyme is like a matchmaker with a very specific taste, bringing together its perfect match of substrates and making sure they have a chemical love story for the ages.

I hope these answers brought a smile to your face! If you have any more questions, feel free to ask.

1) The correct answer is B) cohesion between water molecules creates surface tension.

2) The correct answer is B) water has high heat capacity.
3) The correct answer is B) to prevent sudden changes in pH.
4) The correct answer is A) Carbon atoms bond with other carbon atoms.
5) The correct answer is A) sugars are polymers that make up starches.
6) The correct answer is C) water is a polar molecule.
7) The correct answer is A) Proteins.
8) The correct answer is C) No activation energy is required to initiate it.
9) The correct answer is C) Arrow b will decrease.
10) The correct answer is D) it binds a single set of substrates.

I hope this helps! Let me know if you have any other questions.

1) The property of water that allows some lightweight insects to walk on top of a pond and not fall in is B) cohesion between water molecules creates surface tension. When water molecules stick together due to cohesion, they form a surface tension that can support the weight of small objects, such as insects. To understand this, you can observe how water forms droplets on a surface like a leaf or how it beads up on certain materials instead of spreading out.

2) The property of water that protects fish in a lake from freezing during the winter is B) water has high heat capacity. Water has the ability to absorb and retain a large amount of heat, which helps regulate temperature. This property prevents lakes from freezing quickly and provides a more stable environment for aquatic life. To understand this, you can compare how quickly water and other liquids heat up or cool down when exposed to the same temperature change.

3) The purpose of a buffer in the body is B) to prevent sudden changes in pH. Buffers are substances or systems that help maintain the pH of a solution within a certain range by resisting changes in acidity or alkalinity. In the human body, buffers play a crucial role in maintaining optimal pH levels in various bodily fluids and organs. To understand this, you can explore the concept of pH and how buffers work to maintain equilibrium.

4) The property of carbon atoms that is essential to the creation of life's molecules is A) Carbon atoms bond with other carbon atoms. Carbon is a versatile element that can form long chains or rings, allowing for the creation of complex macromolecules essential for life, such as carbohydrates, proteins, lipids, and nucleic acids. To understand this, you can study the structure of carbon atoms and the types of bonds they form.

5) Sugar and starches are related in the sense that A) sugars are monomers that make up starches. Starches are complex carbohydrates composed of long chains of sugar molecules (monomers) bonded together. Sugars serve as the building blocks or monomers that make up these larger starch molecules. To understand this, you can study the structure of sugars and starches and how they function in cellular energy storage.

6) The property of water that explains why it is able to dissolve many substances is C) water is a polar molecule. Being a polar molecule, water has a slight positive charge on one end and a slight negative charge on the other. This polarity allows water to interact with and dissolve other polar and ionic substances, breaking them down into individual particles or ions. To understand this, you can explore the concept of polar molecules and their interactions with different substances.

7) Proteins have catalytic function in a cell. A) Proteins can act as catalysts, known as enzymes, which facilitate and speed up chemical reactions in cells. Enzymes are involved in various metabolic processes, such as digestion, energy production, and cellular signaling. To understand this, you can study the role of proteins in cellular functions and the specific characteristics that enable them to act as catalysts.

8) The statement that is true about an exergonic chemical reaction is B) Bonds are broken in reactants and new bonds are formed in products. Exergonic reactions are chemical reactions that release energy as products are formed from reactants. In these reactions, the breaking of bonds in the reactants leads to the formation of new bonds in the products, resulting in a release of energy. To understand this, you can study the concept of chemical reactions and energy changes.

9) If an enzyme is added to the reaction, arrow B on the energy graph will decrease. Enzymes lower the activation energy required for a reaction to occur, allowing it to proceed more easily and with less energy input. By reducing the energy barrier, enzymes increase the rate of the reaction and make it more favorable. To understand this, you can study the role of enzymes in catalyzing reactions and how they affect the energy profile of a chemical reaction.

10) The statement that is true about enzymes is D) It binds a single set of substrates. Enzymes are highly specific in their interactions with substrates. Each enzyme recognizes and binds to a specific substrate or group of substrates, facilitating a specific chemical reaction. This specificity is due to the complementarity between the enzyme's active site and the shape or structure of the substrate(s). To understand this, you can study the mechanism of enzyme-substrate interactions and the importance of specificity in enzyme function.