Lorena placed a cup with a stick of butter in it on one side of a balance and a melted stick of butter of the SAME SIZE on the other side of the balance. Choose the picture that correctly shows what the balance would looks like

Q: Substances can be made to change phase by adding or taking away

A: A phase change of a substance occurs when substance changes from one physical state ( solid, liquid,…

Q: A beaker containing a liquid is left to sit undisturbed overnight. In the morning, there are no…

A: Interpretation -  When a beaker containing a liquid is left to sit undisturbed overnight. In the…

Q: Phases of matter for He 1. In this box using a circle to represent each He atom, draw what you think…

A: The solution is given below -

Q: 2(8), 2(8) N,O;(g) → 2 NO,(g) + ¿ O2(g) ¿0g]/10-² M [NO,]/10-2 M [0,]/10-² M 1.24 0.92 0.64 0.16…

A: Calculate the concentration at 70 min....

Q: Classify the words below by placing them under their right types of energy. (It is possible that one…

A: Some forms of energies are not given above so are mentioned below in a tabular form.

Q: Which of the following is classified correctly? 24 Karat gold is a homogeneous mixture. Graphite is…

A: 24 karat gold is means pure gold no any other metal are mixed with gold that means 24 karat gold is…

Q: Part 1: Color the 4 blocks of the table a unique shade. Be sure to label each block by its proper…

A: The modern periodic table is based on the increasing atomic number of elements.  In the given…

Q: Complete the sentences by crossing out the words that are wrong. The first one has been done for…

A:

Q: A hypothetical metal has a theoretical density of 11.92 g/cm³. This metal adopts a cubic crystal…

A: Given,  Density of the solid = d = 11.92 g/cm3  Edge length = a = 0.387 nm  Radius = 0.137 nm…

Q: Which of the following processes require(s) chemical methods?    Separating a heterogeneous mixture…

A: Breaking a compound into its constituents elements requires chemical method. The two or more…

Q: Describe a patterns/trends in a PHYSICAL property as we move down group 1 and group 7? Group 1 Group…

A: To find: Physical property down the group 1 and group 7

Q: A hypothetical metal has a theoretical density of 11.47 g/cm3. This metal adopts a cubic crystal…

A:

Q: a) upon heating, a blue powder turned white and lost mass b) A white soil forms three different…

A: Given: For each of the changes have to decide whether two or more elements formed a compound or if a…

Q: In the image below, you will see four laboratory spectra for known elements as well as the sample…

A: To determine the chemical composition of unknown, we would check the spectral lines and use the…

Q: A hypothetical metal has a theoretical density of 12.05 g/cm3. This metal adopts a cubic crystal…

A: As given crystal is cubic crystal. So atoms are present only at the corners of the cube having 1/8…

Q: A hypothetical metal has a theoretical density of 12.38 g/cm. This metal adopts a cubic crystal…

A:

Q: large spherical object that orbits a star

A: Planet is a large spherical object that orbits a star

Q: What is an element? A. A substance that can be separated by physical means B. A substance that…

A: An element is a pure substance consisting only of atoms that all have the same numbers of protons in…

Q: A hypothetical metal has a theoretical density of 12.44 g/cmº. This metal adopts a cubic crystal…

A:

Q: la. Diamond, graphite, and copper have very different properties but are made of networks of atoms.…

A: Metals have a shiny surface and a high melting point.

Q: A chemical can exist in one, two and/or three phases or states of matter. Choose or tick the most…

A: State of matter for given reagents are given below.

Q: What is an element? A. Oxygen and nitrogen joined together. B. A piece of pure nickel C. A water…

A: The question is based on the concepts of general chemistry. it talks about elements which is purest…

Q: Look for materials at home which can be classified as pure substances or mixtures. Identify at least…

A:

Q: The volume of an irregularly shaped solid can be determined by immersing the solid in a liquid and…

A: Volume of irregularly shaped mineral quartz can be determined by immersing the solid in a liquid and…

Q: A hypothetical metal has a theoretical density of 11.89 g/cm3. This metal adopts a cubic crystal…

A:

Q: A hypothetical metal has a theoretical density of 11.53 g/cm3. This metal adopts a cubic crystal…

A: In this question we use the formula of density of crystal (d) d = z M/NA a^3 Here density in g/cm^3…

Q: What type of change in matter is characterized as having a new substance formed in the process?

A: Given  New substance is formed in the process  Type of Change = ?

Q: Direction: Complete the table of the substances below by filling out the necessary information that…

A:

Q: 22. Energy is not considered a form of matter. Which of the following reasons correctly explains…

A: Matter: This is a part of universe. Matter is has measure the mass. Matter has own volume .  Energy:…

Q: amount of heat lost with respect to time the composition with respect to time amount of heat lost…

A: Relationship generated in a cooling curve:

Q: A Red O B Lilac O C Green O D Yellow

A: the flame test was careed out on sodium carbonate the flame color will be yellow

Q: Which of the following would be heterogeneous?      A mixture of sand and water.      A mixture…

A: A heterogeneous mixture is a mixture with non-uniform composition or we can say it contains two…

Q: Using the given data, calculate: 1)Amount of CaCo3 2)Mass of CaCO3 in tablet 3)% mass of CaCo3 in…

A:

Q: Which one is occurring? State an observation. • A metallic deposit appears • Bubbles appear •…

A: Ans. (a) A metallic deposit appears Electrophoretic deposition (EPD) is a technique where charged…

Q: Fill in the blanks by writing the name of the definition: _________ is a substance made up of only…

A: Matter classified into element compound mixture

Q: Part 1: Color the 4 blocks of the tablea unique shade. Be sure to label each block by its proper…

A: i

Q: When a single salt crystal is added to a cool liquid, large crystals form. Which statement about the…

A: The question is based on the concept of recrystallization. we have to identify the correct statement…

Q: Decide which physical states are indicated in the following statement.  Choose all that apply.…

A: We need to determine which of the given states allows free movement of particles

Q: Describe how Goldsmith rules are used to classify Elements

A:

Q: Can you help me solve this problem with filling in the blanks from the the words at the bottom.…

A:

Q: 13. The drug has no color: (There may be multiple correct answers!) A) Collargol B) Cisplatin B)…

A: A) Collargol is an Alkaline solution of colloidal silver. Colloidal Silver is typically a suspension…

Q: look for the description of these techniques and identify which can separate the following mixtures.…

A: Most of the substance exist as mixtures , to separate these mixtures we use different technique in…

Q: A method of analysis yields masses of gold that are low by 0.4 mg. This method is used for analysis…

A: The relative error is (mass loss/Total mass )x 100. Based on above detail solution is provided…

Q: Can distillation be used to separate liquid mixtures of three or more components

A:

Q: You are given three unknown samples stored in screw-capped containers and was told to analyse them.…

A: A nanoparticle is a small particle that has a size between 1 to 100 nanometres.  As size of…

Q: You take some water with a straw and put a few drops on a plastic sheet. If you move a drop around…

A: Water molecules contain two atoms of hydrogen and one atom of oxygen. Oxygen has a greater…

Q: She begins to set up the problem but leaves one step blank because she is unsure. What should she…

A: The moles of Cl2 in a known mass are, number of moles=given massmolecular mass…

Q: aly Combined. Good examples of a solid mixture would be a salad or a bowl of trail mix. Solutions…

A:

Q: Write the chemical formula for each of the following household chemicals. Express your answer as a…

A: The chemical formula of compound represents their constituent atoms. The number of atoms present in…