Kim studies an African ecosystem. She draws a food web to show how energy moves through the ecosystem. Lion Acacia bush O Impala Wildebeest Thomson's gazelle B. mongoose OC. acacia bush Hyena Star grass D. red oat grass Cheetah Warthog Zebra Red oat grass According to this diagram, loss of what producer would affect the fewest types of consumers? O A. mouse Mongoose Mouse

Q: 4. The reaction: 2 HOF(g) - 2 HF (g) + O₂ (g) occurs at 25 °C. Using the following table, determine…

A: In the graphical determination of order; A reaction is 0 order when [HOF] vs t graph is a straight…

Q: Define spontaneity of a reaction in terms of AG. Determine if a based on process is spontaneous…

A: A reaction is said to be a spontaneous if ∆G value for the reaction is less than zero. It means:…

Q: If the pH is 9.85, what is the concentration of the aluminum hydroxide solution?

A: pH is expressed as negative log10 of hydronium ion concentration.

Q: 2 3 4 3H 2H 2H 2H 1H 12 16 PPM Peak Splitting 1 singlet triplet 3 quintet 4 sextet triplet Shown…

A: NMR spectroscopy is a very important tool for determine the structure of the organic compound. The…

Q: One of the solids in hard water deposits is calcium carbonate. (Ksp = 4.96 X 10) What are possible…

A: Hard water :          Water that has high mineral content called as hard water. It is very hard to…

Q: help I DONT UNDERSTAND!

A: The question is asking to calculate the enthalpy of the reaction by using given two reactions,…

Q: Write the name of the element next to the atom. You may need to use the Periodic Table to help yoU…

A: Atom is the indivisible smallest unit of matter. Atom is made with fundamental particles. Electron,…

Q: A voltaic cell is constructed from a standard Ni²+ |Ni half cell (E° red = -0.250V) and a standard…

A: The electrode which is having a higher reduction potential gets reduced at the cathode while the…

Q: For the equilibrium system below, determine which direction the equilibrium will shift under each…

A:

Q: Help! I DONT UNDERSTAND

A: The question is asking to calculate the enthalpy of the reaction by using given three reactions,…

Q: 1. The mass of a 45.750 g piece of copper is measured three times on two different balances with the…

A:

Q: hi is there a better way to solve these problems because i do not understand anything here

A:

Q: In the reaction shown below, is 1-pentene being oxidized or reduced ? CH2=CHCH,CH,CH3 1-pentene + H₂…

A: Oxidation = Removal of electrons  Addition of oxygen or removal of hydrogen. Reduction= Addition of…

Q: PURPOSE: you will create a cartoon/ comic that explains a scenario about Tonic bonding. SCENARIO:…

A: Before getting started with the script and scenario, we need to know the basic of an ionic bond.…

Q: Silver metal crystals have an FCC structure. The unit cell edge in silver is 0.4086 nm long. What is…

A:

Q: I can't figure this out. Help?

A:

Q: 2. Urea, (NH₂)2CO, is prepared by reacting ammonia with carbon dioxide as shown by: 2 NH: (g) + CO2…

A: Stoichiometry of the balanced chemical reaction states that two moles of ammonia react with one mole…

Q: A concentration cell is constructed of silver electrodes at 25 °C, and the half cells contain…

A: Given,  A concentration cell constructed with Ag electrode,  The concentration of Ag+ ion equals to…

Q: Classify each of the following as elements (E) or compounds (C). HCI NaCI CH,COOH Fe element

A:

Q: Practice Exercise A 1025-g horseshoe at 425°C is dropped into 1550 g of water at 20 °C. If the water…

A: The initial temperature of horseshoe (T_initial_horseshoe) = 425°CThe final temperature of horseshoe…

Q: 4) A concentration-time study of the gas phase reaction 2 A3 →3 A2 produced the data in the table…

A:

Q: Electron Configuration Practice Worksheet In the space below, write the unabbreviated electron…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Hi can someone please help with these?

A: As you have asked question with multiple subparts we will solve the first few parts for you. If you…

Q: The enthalpy of fusion of methanol (CH3OH) is 3.16 kJ/mol. How much heat would be absorbed or…

A:

Q: Please could you help me with this and show answers and explanations clearly. Thanks! I really need…

A: The lone pairs on the structure and formal charge on the Nitrogen and Oxygen atom can be shown below

Q: Which of the following is a common sign that a chemical change has occurred? O A chemical has…

A: There are various signs that show the chemical change has done :  1. Change in odour 2. Change in…

Q: Explain how entropy changes in the process of flambéing (combustion of ethanol). Be sure to include…

A: Given question is :  Explain the entropy changes in the process of the flambeing (combustion of…

Q: Which change can be easily reversed? O Chemical Change O Physical Change O Both a physical and…

A: A physical change happens when a compound undergoes changes in physical properties like color…

Q: Calculate & values for the galvanic cells based on the following overall reactions. Assume that all…

A: A redox reaction is an electron transfer where the oxidation and the reduction reactions occur…

Q: 3) NH4 (aq) + NH3 (aq) + H30" (aq)

A: The question is based on the concept of equilibrium. we are titrating a strong acid with a weak…

Q: 1. Calculate how much lemonade powder you will need to make 0.100 L of each solution. Fruit drink is…

A: To calculate the mass of lemonade powder needed for each solution, we need to use the molar mass of…