Chemistry

Express the measurement using the appropriate SI prefix. For example, 10.72 x 103m is the same as 10.72 km because the k stands for 1038.09 x 10-6g(I got super stuck on this)
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Answer quick (image)
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When an atom is trying to obtain stability, what part(s) of the atom change(s)?
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5) A pure substance which can be decomposed by a chemical change is aA) mixtureB) compoundC) metalD) nonmetal
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plz help meeeeeeeeeeeee
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What is the difference in drawing Lewis DotStructures for ionic and covalent bonds?
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What type of compound is iron(III) oxide?Group A metal ionic compound with nonmetal anionGroup A metal ionic compound with polyatomic aniontransition metal ionic compound with polyatomic aniontransition metal ionic compound with nonmetal anion
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HELPP 35. A catalyst:a. actually participates in the reaction.b. changes the equilibrium concentration of the products.c. decreases the rate for a reaction.d. increases the activation energy for a reaction.
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what is the term for photosynthesis
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Help plsss!If the average atomic mass is 39.948amu, which isotope is more abundant?
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A mineral breaks into cubes when struck with a rock hammer. It also leaves a red trail when scraped against an unglazed porcelain plate.Which of the mineral's properties are being measured?Choose the two correct answers.streakcolorcleavagehardness
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Where is the DNA stored in a cell?
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What is the mass of 15 ml of aluminum if the density is 2.70 g/ml?
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Which characteristic of a substance is considered a chemical property?its boiling pointits reactivityits densityits conductivity
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This element has 2 fewer protons than Titanium. What element is it?
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Compare and Contrast Heating andCooling curves.
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Convert 5.4g of NaCl to moles
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Compound: _________________ . Found in air; contains carbon (C) and oxygen (O)
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Which statement best describes how entrepreneurship affects a society'seconomy?A. It encourages people to take risks to create new products.B. It organizes the people who help a business operate.C. It provides the raw materials needed to produce goods.D. It supplies businesses with the tools they need to function.
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PLEASE SOMEONE HELPP
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Charlie is doing a scientific investigation about the properties of light energy. For his experiment, he points a flashlight at a mirror and then at a basketball. Which of the following best describes what Charlie would observe?A The light traveled through both objects and refracted which made them appear bigger.B The light was completely absorbed by both objects, and he could see white and blue.C When the flashlight was pointed at the mirror, the light reflected in the same direction. When the flashlight was pointed at the basketball, the light was reflected in different directions.D When the flashlight was pointed at the mirror, the light was absorbed. When the flashlight was pointed at the basketball, the light was refracted in a different direction.
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Which statement describes a chemical property of gasoline?O A. It melts at -57C.O B. It is highly flammable.O C. It is a clear liquid.O D. It has a density of 0.7 g/cm3.
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A balloon containing methane gas has a volume of 1.03 L at 99.0 C . What volume will the balloon occupy at 198 C ?
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How many total hydrogen atoms are in CH3OOH?
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