Why is copper plumbing used in our homes but not aluminum plumbing? 4. The average human needs 2.0 mg of copper ions, Cu2+, per day in their diet. This is how many copper ions? 5. Copper is extracted from the ore, chalcopyrite, CuFeS2. How many kilograms of a 0.862% chalcopyrite ore will be necessary to produce 1.00 kg of pure copper? The percentage of copper in chalcopyrite needs to be known to work this problem. 111

Q: Part D: Food Calories Naked Juice Serving size 240 mL D1. Name of food product D2. Mass of food…

A: Calories per gram * Carbohydrate = 4 kcal per gram * Protein = 4 kcal per gram * Fat = 9 kcal per…

Q: Question 14 Which of the following statements about energy is false? O Energy cannot be converted…

A: Energy cannot be converted from one form into another

Q: 1. The normal boiling point for acetone is 56.5°C. At an elevation of 5300 feet, the atmospheric…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: hi explain the basic about chemistry

A: Chemistry is a branch of science, which studies the properties of and interactions between matter…

Q: Figure 10-5 -8г 2 OCH 3 (3) кроеви, 4. COCHS кто ви ензон heat А. В. с. 'T Е. F. ОСН3 оснз LOCH 3

A: In the majority of the organic reactions, a mixture of products is obtained. In this mixture, some…

Q: gas molecules experience friction when traveling through space   A. True B. False

A: The statement, " gas molecules experience friction when traveling through space" is

Q: What is 89.2+62.3 estimated?

A:

Q: B. Calculate the following information. USE THE FACTOR-LABEL METHOD TO DO YOUR CALCULATIONS!!! 1. A…

A: The density of a solution is calculated by the formula: Density=MassVolume   Note: Since you have…

Q: Hi was wondering how to solve number 4

A: Pentane is a hydrocarbon. The equations for the complete and incomplete reactions are written in the…

Q: None

A: Answer image:

Q: 6. The question is shown in the image attached.

A: Option --C

Q: The concentration of Ca²* ion present in a blood sample is found to be 4.2 mEq/L. How many…

A: The osmolarity may be described as the mathematical sum of the ions concentration that are available…

Q: None

A: The molarity of dieldrin =0.473mM=0.473× 10−3M (Given)(As we know 1mM=10−3M ) The volume of the…

Q: What is the primary purpose of road markings? A) To increase road friction B) To guide drivers and…

A: Road markings primarily guide drivers and indicate lane positions. They help in:Lane Division:…

Q: Use the following information to answer question 1. A group of students is asked to design and…

A: To answer the following question.

Q: Research which level or levels of government are responsible for regulations about arsenic

A: To describe about the government regulations about arsenic.

Q: How to answer number 67

A: Applying concept of chemical bonding.

Q: For question number 2 does that mean weigh the dish to 0.001g without clearing it ?

A: In step-1, after cleaning the evaporating dish properly, we have to heat to remove any impurities…

Q: The combined ages of three dogs is 24 years. Dog B is five years less than twice the age of dog A.…

A: Let's denote the age of dog A as a, the age of dog B as b, and the age of dog C as c.

Q: please help me in answering the chart and the questions related to it

A: The chemical equation for the neutralization reaction is: HCl + NaOH → NaCl + H2O

Q: I got the answer wrong, this was the reply "It looks like your answer is off by a factor of…

A:

Q: Which is a property of a nonmetal? A. Poor conductor of electricity B. Solid at room temperature C.…

A: We know that a nonmetal is Poor conductor of electricity

Q: A chemist working as a safety inspector find an unmarked bottle in a lab cabinet.

A: Given : Volume of liquid = 0.502 L  Mass of liquid = 469 g

Q: I am required to enter answers in each box provided for the question. The answer that was provided…

A: Using unit conversion formula, mass of sample can be determined.

Q: 2-86 When each of the following measurements are length is convert to inches, using a conversion…

A: The conversion factor used in the unit conversion has infinite number of significant digits. In the…

Q: The particles in a gas vibrate faster than the particles in a liquid. O True

A: Particles in a gas are separated well and with no regular arrangement.  Gas has no fixed shape and…

Q: Discuss the language demands included in the lesson on mixing substances in a 5th-grade classroom by…

A: The objective of the question is to identify the key vocabulary terms that students must understand…