Questions posted in Chemistry

Asked By kellie4

Chemistry

0Answers

Calcium nitrate reacts with sodium phosphate to form sodium nitrate and calcium phosphate. Given 96.1 grams of calcium nitrate, what’s the theoretical yield of calcium phosphate? Use the periodic table and the polyatomic ion resource. The mass of calcium phosphate the reaction can produce is grams.

Asked By valeria96

Chemistry

0Answers

what are some non density examples?

Asked By valeria96

Chemistry

0Answers

non density examples

Asked By delilah69

Chemistry

0Answers

Which statement correctly defines translation? 1-the making of an​ RNA ​molecule from a DNA ​strand by pairing of bases of RNA ​nucleotides with the complementary bases in​ DNA 2--the making of a new​ DNA ​molecule by pairing of bases of DNA ​nucleotides with complementary bases in an existing​ DNA ​molecule 3--the making of a polypeptide with a specified order of amino acids using an RNA ​molecule to provide the sequence information 4--the making of a polypeptide with a specified order of amino acids using a DNA ​molecule to provide the sequence information

please, show your work. :_)

Asked By delilah69

Chemistry

0Answers

What does​ RNA ​code for? ​1-DNA ​ 2-carbohydrates 3-fats 4-proteins

please, show your work. :)

Asked By jenna6

Chemistry

0Answers

1. Gases consist of very large numbers of tiny spherical particles that are very far apart from one another compared to their size. 2. Gas particles are in constant, rapid motion and move in random directions. 3. Collisions between gas particles and between particles and the container are elastic collisions. 4. There are no forces of attraction or repulsion between gas particles. 5. The average kinetic energy of gas particles is dependent upon the temperature of the gas. Use your knowledge of ideal gases and real gases. Which of the above KMT postulates does not apply to a real gas? …

Asked By osano

Chemistry

0Answers

An electron on an energy level has an energy of 16.32 x 10−19 J. It moves to another level by releasing 5.4 x 10−19 J of energy. Which of the following descriptions mostly likely explains what occurred? The electron moved down to an energy level and has an energy of 10.92 x 10−19 J. The electron moved down to an energy level and has an energy of 21.72 x 10−19 J. The electron moved up to an energy level and has an energy of 10.92 x 10−19 J. The electron moved up to an energy level and has an energy …

Asked By delisan

Chemistry

0Answers

Assume that sound A has a decibel level of 10 and sound B has a decibel level of 30. How many times louder is sound B than sound A

Asked By robloxgaming

Chemistry

0Answers

Which structure will form when a primitive cell engulfs an aerobic bacterium? mitochondria chloroplast nucleus cell membrane

Asked By robloxgaming

Chemistry

0Answers

Which structure will form when a primitive cell engulfs an aerobic bacterium? mitochondria chloroplast nucleus cell membrane

Asked By olivia0286

Chemistry

0Answers

Quincy listed some natural resources in a table. Which best completes the table? X: No Y: Natural gas X: Yes Y: Coal X: No Y: Wind X: Yes Y: Sunlight

Asked By daniel55

Chemistry

1Answers

The diagram below shows the different phase transitions that occur in matter. Three bars are shown labeled Solid, Liquid, and Gas. They are connected by arrows labeled 1 to 6. Arrow 1 points from liquid to gas; arrow 2 from solid to liquid, arrow 3 from solid to gas, arrow 4 from gas to liquid, arrow 5 from liquid to solid, and arrow 6 from gas to solid. Which best describes the process that arrow 1 represents? Molecules are speeding up during boiling. Molecules are depositing as ice on a surface. Molecules are slowing down during condensing. Molecules are moving …

Asked By amx

Chemistry

0Answers

Ionic bonds, like all chemical bonds, form in order to make the new substance formed

Asked By isabella564

Chemistry

0Answers

Which compound in this chemical equation indicates that the reaction is a precipitation reaction? 2NaOH(aq) + MgCl2(aq) → 2NaCl(aq) + Mg(OH)2(s) A. NaOH B. MgCl2 C. NaCl D. Mg(OH)2

I'm having trouble with compound equations in general, so it would be a big help if someone could explain it to me.

Asked By lil_bhadie_duh

Chemistry

0Answers

The electron configuration of an element is shown below. 1s22s22p63s23p6 Name the group this element belongs to in the periodic table and explain your answer. Based on the electron configuration, write one chemical property of this element.

Answer this because it not giving me a detailed answers.

Asked By davonnhokage

Chemistry

0Answers

Which of the following statements about eutrophication is true? a. Eutrophication occurs when excess nutrients are present in aquatic ecosystems, resulting in the increased production of plant life and the subsequent increase in the oxygen levels of the water. b. Eutrophication occurs when excess nutrients are present in aquatic ecosystems, resulting in the increased production of plant life and the subsequent decrease in the oxygen levels of the water. c. Eutrophication involves the overpopulation of aquatic ecosystems with plant and animal life. d. Eutrophication is rarely caused by human activity. Please select the best answer from the choices provided A …

Asked By vontreyvia

Chemistry

0Answers

how many times is more likely is a Hurricane to strike Broward County than Okaloosa County

Asked By jose36

Chemistry

0Answers

Identify the combustion reaction. Al 2S 3 ⟶ 2Al + 3S 2H 2 + O 2 ⟶ 2H 2O Cl2 + 2KBr ⟶ 2KCl + Br2 C 4H 12 + 7O 2 ⟶ 6H 2O + 4CO 2

Asked By pts_ronoroa_zoro

Chemistry

0Answers

Richard made the following table that highlights all the different constellations, or patterns of stars, he observed in each season of the year. Which statement is true?

The rotation of the Earth determines the constellations seen in each season. The constellations seen in each season depend on the movement of the stars. The revolution of the sun …

Asked By lilli4

Chemistry

0Answers

3.00 amu = _____ Mev.

answer choices ... 2.79 x 10 3 3.10 x 10 2 3.22 x 10 -3

Asked By daniel55

Chemistry

1Answers

A ruler has markings as shown below. Stefan uses this ruler to measure the length of a metal rod. How many decimal places should his answer include? A- 1 B- 2 C- 3 D- 4

Asked By daniel55

Chemistry

3Answers

Precision can be defined as the A- exact center of a data set. B- reproducibility of a measured value. C- correlation between two variables that are measured in a data set. D- agreement between a measured value and an accepted value. Also I am taking the test and will answer these when I finish

Asked By daniel55

Chemistry

1Answers

Rob measures the solubility of three different salts in water at 22°C. Which type of graph should he use to display his data? bar graph line graph histogram scatterplot Also I am going to answer this question cause I am taking the test right now

Asked By daniel55

Chemistry

1Answers

In an experiment, Theresa measured 15.05 mL of water. She must have used a A- flask that had markings every 25 mL. B- beaker that had markings every 20 mL. C- buret that had markings every 0.1 mL. D- graduated cylinder that had markings every 1 mL.

Asked By vontreyvia

Chemistry

0Answers

the difference about the clouds at the opposite edges of a hurricane?

Asked By vontreyvia

Chemistry

0Answers

How can meteorologist use global patterns shown on satellite images to predict local weather?

Asked By vontreyvia

Chemistry

0Answers

How can meteorologist use global patterns shown on satellite images to predict local weather?

Asked By serenity00

Chemistry

0Answers

Look at the images of the major plates of the Lithosphere.

Identify the plate being pointed out by the arrow. Caribbean Plate Eurasian Plate South American Plate Pacific Plate

Asked By christopher46

Chemistry

0Answers

Which statement best describes how chemical equations demonstrate conservation of mass

Asked By christopher46

Chemistry

0Answers

which chemical symbols will complete the equation for this decomposition reaction 2kl---2___+___2

Previous