During what part of the laboratory do you have to wear safety goggles? safety goggles must be worn during hazardous activities involving caustic/corrosive chemicals, heating of liquids, and other activities that may injure the eyes. check labels and equipment instructions carefully. be sure correct items are used in the proper manner. be aware if the […]

What is the step after the data is gathered in the scientific method? The last step of the scientific method is to communicate the results. After you gathered and analyzed your data, you draw a conclusion about your hypothesis. A conclusion is a sum- mary of what you have learned from an experiment. Does the […]

Is electronegativity the ability of an atom to attract electrons? Electronegativity is a measure of an atom’s ability to attract shared electrons to itself. On the periodic table, electronegativity generally increases as you move from left to right across a period and decreases as you move down a group. How does electronegativity relate to the […]

Why is the half life of a radioactive isotope important? Knowing about half-lives is important because it enables you to determine when a sample of radioactive material is safe to handle. They need to be active long enough to treat the condition, but they should also have a short enough half-life so that they don’t […]

Are test corrections beneficial? Allowing students to do test corrections is beneficial for two main reasons. First, making test corrections provides students with the opportunity to learn from and understand the mistakes they make. In the first round, students take the exam in the traditional setting — in one sitting, without notes or distractions. How […]

Which species is the conjugate acid of HPO4 2? Therefore, the conjugate acid that is formed is H2PO4−, which is dihydrogen phosphate ion. So the correct answer is Option C. Is H2PO4 and HPO4 a conjugate acid-base pair? H2P04- is an acid and when it is in water it forms a hydronium ion and HPO4-, […]

What happens if a person has one dominant gene and recessive gene? Your genotype for a specific gene determines what the physical appearance, or phenotype, of that feature will be. If both of the alleles you inherited from your parents are the same, the genotype is homozygous. However, if you have one dominant and one […]

What units express heat capacity? Heat capacity is an intrinsic physical property of a substance that measures the amount of heat required to change that substance’s temperature by a given amount. In the International System of Units (SI), heat capacity is expressed in units of joules per kelvin (J⋅K−1) ( J ⋅ K − 1 […]

Which graph is used to show change in a given variable when a second variable is changed bar graph line graph histogram scatterplot? Hence, line graph is the graph which is used to show change in a given variable when a second variable is changed. How do you find the side lengths of similar triangles? […]

When you lighten natural hair color the darker the natural level the more intense the? When you lighten natural hair color that darker the natural level the more intense the contributing pigment. Gray hair can be solid or blended throughout the head as in salt-and-pepper hair. Relationship of one color to another. What are a […]