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The volume of one cup of water is 0.000236 cubic meters. Use scientific notation to represent the volume of one cup of water.

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An ostrich runs north in a straight line for 21 meters. She then turns around and runs 25 meters back toward her nest (south) on the same path. What is her displacement?

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Does anyone know where i can find a practice cumulative chem test online?

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In sexually reproduction, how many do the offspring compare to the parents?

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A solution of NaOH has a concentration of 25.00% by mass. What mass of NaOH is present in 0.250 g of this solution? Use the periodic table in the toolbar if needed.

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Which pair of symbols represent a metal loud and a noble gas?

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The densities of crystalline co2 and nh3 at 160 k are 1.56 and 0.84 g/cm3, respectively. calculate their molar volumes.

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Which adaptations to the capillaries enable substances to pass to and from cells?

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1. What coefficient would go in front of CO₂ to balance this equation? 2. What kind of reaction is being represented? 3. What kind of reaction is being represented? 4. What kind of reaction is being represented? 5. What kind of reaction is being represented?

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“The following report presents the results of our laboratory tests, which support the conclusion that our new treatment for acne is safe and effective with minimal possible side effects.” Which statement correctly evaluates the results of the report? A. It is likely to be reliable because the tests were done in a laboratory. B. It is likely to be reliable because the results support the conclusion presented. C. It is not likely to be reliable because the testing was biased. D. It is not likely to be reliable because the testing was not conducted as described.

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Which is an example of pseudoscience? A. use of X-rays to observe the bones of the arm B. use of DNA analysis to determine paternity C. use of vaccines to prevent the occurrence of disease D. use of astrology to predict the personality of a child

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Number of parents who contribute genetic information to the offspring in pink salmon?

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The characteristc bright line spectrum of an atom is produced by1.Electrons absorbing quanta 2.Electrons emitting quanta3.Protons absorbing quanta4.Protons emitting quanta

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Which phrase best describes cellular respiration,a process that occurs continuously in the cells of organisms

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In the formula XSO4 the symbol X could represent the element

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In the cells of the human body,oxygen molecules are used directly in a process that

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Evaluate what advantage might asexual reproduction by fission have compared to sexual reproduction

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Which equation would represent the neutralization of sulfuric acid that was spilled on a base

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Which word equation represents a neutralization reaction

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In the formula XBr3, the symbol x could represent the element, A.Al B.Mg C.H or D.S

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Why does sexual reproduction produce offspring with characteristics different from their parents, whereas offspring produced through asexual reproduction are identical to their parents? Please use the following words in your answer: chromosome, DNA, mitosis, meiosis, gamete, zygote, clone.

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When a chemical reaction creates a thin film outline of an anmial or plant what type of preservation has occured?

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For a solar eclipse to occur, a. the sun must be directly between earth and the moon. b. the moon must be directly between earth and the sun. c. the moon must be directly behind earth. d. earth must be directly between the sun and the moon.

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If a sexually reproducing organism has 28 chromosomes in its body cells how many chromosomes did it inherit from each parent

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The west side of California’s coast has a marine climate, while the eastern side is a desert. What is responsible for the difference? A. Cool winds cannot blow across a large lake into the desert. B. Mountains prevent moist air from blowing over into the desert. C. The west side is closer to the equator than the east. D. California has experienced a drastic climate change in the past few years.

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Oxygen can be produced in the chemistry lab at a low temperature if mixed with manganese dioxide, which acts as a catalyst in the reaction. The chemical equation for the production of oxygen using potassium chlorate is: 2KClO3 → 2KCl + 3O2 This equation represents both a _____________reaction AND a(n) _______________ reaction. A) combustion; decomposition B) single replacement; combustion C) combustion; oxidation-reduction D) decomposition; oxidation-reduction

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Both isopropyl alcohol, C3H8OH, and ethylene glycol, C2H6O2, are used as antifreeze. When equal masses of each are added to water, which, if either, will be more effective at preventing freezing? A. Isopropyl alcohol B. Ethylene glycol C. They will produce the same effect D. Neither, because they do not dissolve in water.

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Rust contains fe2o3 given the balanced equation representing the formation of rust _fe(s)+_o2(g)->_fe203(s) 1)balance the equation using the smallest whole number coefficients 2)identify the type of reaction represented by this equation

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Which of the following is most likely to be found in a crystalline structureconcreteglassplasticsquartz

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Which cell organelle most directly affects the rate of active transport? why?

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