Which of the following is best characterized as a scientific law?  a. The sun always rises in the east.  b. Force equals mass in kilograms multiplied by acceleration in meters per second squared.  c. Lemon juice can be used to treat psoriasis.  d. All matter is comprised of tiny, indivisible particles called atoms.  e. Iron will be oxidized to iron (III) oxide if exposed to water as it

Q: What is the difference between a law and a theory?

A: The difference between a law and a theory has to be given.

Q: What do you understand form the data you recorded and collected from you fellow students?

A: The given data tells us about the temperature of the system as the time progresses if there is a…

Q: Green chemistry rests on a set of 12 principles. What are they?

A: 12 principles of green chemistry has to be given,

Q: Nanotechnology, the field of building ultrasmall structures one atom at a time, has progressed in…

A: Hello. Since the question has multiple subparts, the first three subparts are solved. In case the…

Q: 19. You are trading blueberries for cherries. Using an exact relationship of 1 cherry = 4…

A: Given :  1 cherry = 4 blueberries.

Q: Consider the addition of 15.4 to 28. What would a mathematician say the answer is? What would a…

A: Given : addition of 15.4 to 28.

Q: 8. Scientists record and conclusions a journal entry th Rutherford's gold

A:

Q: 20. Another name for a homogeneous mixture is

A: Answer: SOLUTION is the another name of homogeneous mixture

Q: 1- Chemistry is the science that 2- Type of chemistry that identification of substances present and…

A:

Q: Density is a physical property of a molecule that's measured as mass per unit volume. (a) Given that…

A: Details explanation is given below

Q: Which is more "correct", a theory or law?

A: Given statement is :  Which is more "correct", a theory or law?

Q: Professor X is doing an experiment, based on the data controlled temperature turned to 56 °F. What…

A: Given: temperature in oF=56oF To find: Temperature in oC

Q: Imagine that you took a road trip. Based on the information in the table, what was the average speed…

A: Given,

Q: Can't figure it out

A: Reductive Ozonolysis - Ozonolysis allows the cleavage of alkene double bonds by reaction with ozone.…

Q: How are the molecules in oxygen gas, the molecules in hydrogen gas, and water molecules similar? How…

A:

Q: What Is Derived units?

A: A derived unit is a unit that results from a mathematical combination of SI base units.

Q: Classify each statement as an observation, a law, or a theory. Chlorine is a highly reactive gas.

A: A series of similar respective observations leads to the development of a scientific law. A theory…

Q: What type of matter is this ?

A: An element is that species that contain atoms of same type. A compound is formed by combination of…

Q: Observed increases in global temperatures are caused byelevated levels of carbon dioxide. Is this…

A:

Q: Describe solids, liquids, and gases in terms of (a) volume (how they fi ll a closed container); (b)…

A: Since you have posted multiple sub-parts, the answer for first three sub-parts are given below.…

Q: a sample containing 33.42g of metal pellets is pound into a graduated cylinder initially containing…

A: Given mass of metal                 = 33.42 gram  Initially volume of water = 12.7 mL  Final Volume…

Q: 15) Which one is the derived unit? ( 16) 17) A) Length B) mass C) Time D) Force Which one is not the…

A: Questions are about units errors and chemical and physical changes

Q: Explain the difference between a law and a theory?

A: Various ideas are formulated by the scientists and some are derived experimentally using various…

Q: This question has two parts Part One: A scientist conducts a few experiments in her lab and comes up…

A: A hypothesis is an assumption, an idea that is proposed for the sake of argument so that it can be…

Q: A Rectangular titanium soild weighs 152.213 g and measures 7.50cm by 3.00 cm by 1.50cm. Refer to…

A: Given : Mass of titanium metal = 152.213 g And the dimensions of metal = 7.50 cm by 3.00 cm by 1.50…

Q: Two beakers contain clear colorless liquids, when the contents of the beakers are mixed,a white…

A: Physical change impacts only physical properties such as shape, size, melting point, and boiling…

Q: What devices will you use to measure the mass and the volume of water?

A: Given is an extract of the procedure of doing an experiment . We are asked to answer the instruments…

Q: A chemist mixes sodium with water and witnesses a violent reaction between the metal and water. This…

A: A reaction basically exhibits an overall chemical change that yields new molecules/substances as…

Q: Describe the difference between a theory and a scientific law.

A: We usually come across different theories in the course of study and the scientific laws as well.…

Q: A D B.

A: When zn Reacts with HCl -->H2 gas is liberated . And with the help of Eudiometer,the volume of…

Q: why do we solve problems in a scientific way?

A: When a problem is solved, there are many chances of error. Even the best intentioned scientist can’t…

Q: Suppose the densities of two metals are so close together that density is difficult to use to be…

A: Metals are highly electropositive and have strong metallic bond. Metallic bonds are stronger than…

Q: A sheet of Aluminum (Al) foil has a total area of 1.000 ft2. The mass of that Al foil is 3.636g. The…

A: Calculate the volume of aluminum foil:

Q: the human body is approximately 60.% water, and one-half of the mass of the dry portion is protein.…

A: Given that human body is approximately 60% of water.

Q: If you had 225 grams of water, what volume would that sample of water occupy? (use your average…

A: We have to determine the volume occupied by the 225 grams of the water sample.In general, density of…

Q: What is a disadvantage of using scientific notation?

A: Scientific notations helps in writting small numbers or large numbers easy to read.  It helps in…

Q: What states and properties of matter does a meteor have? - describe the types of changes that matter…

A: Meteors are space rock, generally made up with silicon and oxygen. There are many types of meteors-…

Q: A piece at metal with a mes of 125 g n placed into a grahatest cyinder that conta 25 ofw ing the…

A: Using the Formula of density we can solve this problem.

Q: 10. The amount of spaces between particles of matter can be measured. How do we measure the space…

A: Density of a substance is the mass per unit volume. Volume of a substance is the measure of three…

Q: how do you define chemistry

A: Chemistry is defined as the study of composition, behaviour or properties of various substances…

Q: Describe the steps of the scientific process in details. Explain the difference between a theory and…

A: The basic steps of the scientific methods are :- Make an observation that describes a problem…

Q: The density of lead is 11.34 g/mL and the approximate density of water is 1 g/mL. If given 1 Kg of…

A: Given: Density of lead: 11.34 g/mL, mass of lead: 1 kg Density of water: 1 g/mL, mass of water: 1 kg…

Q: Anything that is observed or measured about a sample of matter is called a(n)?

A:

Q: Earth's oceans have an average depth

A: An ocean is a huge body of saltwater that covers 71 percent of surface of earth.

Q: A middle school student asks you why hot air rises. Explain in one to three sentences the reason…

A: When air  gets heated up it expands and become less dense than surrounding .