Label as a substance, heterogeneous mixture, or a solution: Beach sand substance O solution O heterogeneous mixture

Q: Convert 0.30 mg L-1 to ppb. Put value without unit.

A:

Q: when you pour one cup of tap water into a transparent bottle, and add one small drop of food…

A: Given: You pour one cup of tap water into a transparent bottle and add one small drop of food…

Q: A sample of an unknown hydrated compound weighed 16.450 grams. After heating, it had a mass of…

A: We have to calculate the percentage of water by mass in the unknown hydrated compound that weighed…

Q: A chemist mixes 49. g of chloroform with 53. g of acetyl bromide and 29. g of acetone. Calculate the…

A: Given: Mass of chloroform = 49 g Mass of acetyl bromide = 53 g Mass of acetone = 29 g.

Q: When oil and water are mixed together they form a (an) a. Homogeneous mixture b.…

A: When oil and water are mixed together, they form a Heterogeneous mixture. Heterogeneous mixtures are…

Q: What was the concentration of carbon dioxide in 1960?

A: The concentration of carbon dioxide in 1960 was 317 ppm.

Q: is a region of material that has uniform physical and chemical properties * O phase O solubility…

A: Explained as follows

Q: Hot-air balloons float because the air caught inside the balloon is heated up by a burner, making it…

A: The density of a compound is determined by the ratio between mass of the compound to its volume. It…

Q: 1.Substance X is mixed with substance Y. The state of resulting solution is liquid. Which of the…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: When energy is added to a liquid, it’s particles begin to move what

A: When we add energy to liquid it’s particles begin to move as increase in motion occur and particles…

Q: In an experiment done, a sample of water was found to contain 400 g of calcium per m³ of sample.…

A: Ppm or ppb are concentration terms Here we are required to express the mass of calcium in (a) Parts…

Q: classify whether it is greater than, less than, or equal

A: Since you have posted multiple questions, the answer for first question is given below. Kindly…

Q: 6. Which causes the high density of solids? a) b) c) d) The particles are more massive than those in…

A: The density of solids are high compare to liquids and gases because intermolecular force of…

Q: When blue food coloring is dissolved in water, the result is a ________? a. homogeneous mixture…

A: When particles moves from higher concentration to lower concentration than diffusion occurs. The…

Q: A student measured the boiling point of an unknown liquid to be 82.9 degrees celsius. After…

A: Addition of impurities to a compound increases its boiling point but lowers the melting point of…

Q: 115. This molecular drawing shows images of acetone mol- ecules before and after a change. Was the…

A: Physical properties are the properties of a compound which can be measured and determine the state…

Q: What is the percent by mass NaCl of a solution that contains 59.9 grams of NaCl and 87.6 grams of…

A: Solution: Here we have a solution contain 59.9 g NaCl and 87.6 g of water. To calculate: percent by…

Q: In what state particles that make up matter move the least? O liquid particles movement is not…

A: Interpretation -  In what state of particle that make up matter move the least -     Introduction -…

Q: A salt water solution is classified as what type of matter? O homogeneous mixture O heterogencous…

A: Homogeneous Mixture: A homogeneous mixture is a mixture in which the composition is uniform…

Q: A patient needs 1.5 g of a solid must be given to the patient pe O 60 tablets

A: The dose of a drug: it is the quantitative amount taken by patient for the intended medicinal effect…

Q: An unopened can of soda pop explodes if left in the hot sun. Which two properties change while it is…

A: To determine which two variables change , we would use gas law .

Q: List at least three physical properties of water.

A: State three physical properties of water.

Q: A chemist mixes 69. g of diethyl ether with 43. g of heptane and 49. g of methanol. Calculate the…

A:

Q: 5. A sample of saline contains 45 ml of saline in 128 ml of water. What is the percent by volume of…

A: Solution :       Concentration in percentage by volume is expressed as the fraction of volume of…

Q: Which of the following are the same and which are different?a. a substance and a pure substanceb. a…

A: Step 1 Pure Substance is a substance which has same kind of element or compound. It has a definite…

Q: ASSERTION: The solubility of all gases in water decreases with the rise in temperature. REASON: The…

A: Answer_First: The dissolution of gas molecules in water take place by the thermal evolution. This,…

Q: When a new substance is formed with different properties than the original substance it is called a…

A: Answer:- This question is answered by using the simple concept of chemical change in which new…

Q: Use the table and graph below to answer Questions 2–6. 2. What must be a constant during the…

A: Hi, since you have posted multiple questions. We will answer the very first question for you. Kindly…

Q: give a particulate-level explanation of why ice (solid water) is less dense than liquid water?

A: Density of ice     = 0.9168 g/cm3 Density of water = 1.00g/cm3 Density gives the measure of how…

Q: Ethanol Oil and Water Water A student combines equal volumes of ethanol and water in a beaker and…

A: The two correct statements has to be decided.

Q: Suppose a student places a beaker on his balance and does not tare it. Then, he adds three…

A: Here you should understand that if you have nothing in the beaker it is the empty weight of beaker.

Q: Testing of a sample of matter shows that it has a single melting point of 1,453°C and a single…

A: The melting point of sample matter is = 1453oC ( single melting point and value is too high) The…

Q: A change in an adjective in a specific direction is an increase or decrease across a single cycle or…

A: The above given statement is related to the periodic table which is an easiest way for the…

Q: Equal amounts of three pure substances are mixed together. How many phases are present after mixing…

A: Matter has three main different forms- 1) Solid 2) liquid and 3) gas. But each solid and liquid can…

Q: Classify each of the following as a pure substance, a solution,or a heterogeneous mixture: (a) a…

A: A Pure Substance: A pure substance can be defined as a matter which has a single substance of its…

Q: 4 PPM Moleculan yoomula ;- G# g0

A: C5H11OCl ( DBE = 5- (11+1/2)+1 = 6-6 = 0.

Q: D Other Bookmarks [References] Use the References to access important values if needed for this…

A:

Q: Organisms can live on Earth because of Earth's location in the solar system. How does Earth's…

A: Answer

Q: C. Identify whether the substances listed below is an element (E), a compound (C), a Heterogeneous…

A: A substance that is made up of only one type of atom is called an element. A substance that is…

Q: . Why are chemicals properties important? 2. How does natter differ?

A: Answer - Chemicals properties - A chemical property is any of a material's properties that becomes…

Q: What property of matter is most responsible for the fact that sound travels at different speeds…

A: Answer

Q: Explain why sodium chloride is so safe (table salt) when sodium and chlorine as elements are not…

A: Atomic number of Na- 11 Electronic configuration - 1s2 2s2 2p6 3s1   Atomic number of Cl-17…

Q: For a 5.0% solution of CaCl2, calculate the:  mass of CaCl2 in 360. grams of solution. amount of…

A:

Q: A homogeneous mixture is made by dissolving 9.98 grams of solid potassium nitrate in 1000 g of…

A: We’ll answer the first question since exact one was not specified. Please resubmit a question and…

Q: Which is NOT directly attributable to a property of water? O The top of a lake freezing C Nutrients…

A: The top of a lake freezing indicate the phase changing property of water at different…

Q: A change in phase may occur when the energy of the particles is changed. ABSORPTION of energy will…

A: Please find your solution below : The answer is False. The capitalised words do not make the…

Q: A+BCAB+C What will most likely be in the container after several minutes have passed ? A. Container…

A: The reaction given is A + BC <--------------> AB + C