Conservation of Mass Before Experiment mass (9) After Experiment mass (9)
10
water
antacid tablet
baggie
total
3.22
3.50
3.50
baggie
total
16.72
?
Students investigating chemical reactions conducted the experiment you see here. An antacid tablet was dropped into
plastic bag containing 10 ml distilled water at 22°C. The bag was immediately zipped closed and the chemical
reaction proceeded until completion. Based on your knowledge of chemical reactions, choose all of the statements
below would apply?
Formulas
A)
The tablet completely disappeared.
B)
The total mass at the completion of the experiment is 16.729.
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The mass of the products is slightly less than the mass of the reactants.
D)
A decrease in the mass of the products is the result of the production of a
gas.
Evidence of a chemical reaction includes the production of something new:
a gas.
E)

What is the term for the two sets of chromatids formed in the parent cell a.haploid b.diploid c.gamete d.tetrad

Will mark brainliest i only need the ! 1.use ten beads and a centromere of one color to construct the long chromosome. use ten beads and a centromere of a second color to construct the second chromosome in the long pair. make a drawing of the chromosomes in the space below. 2. for the second pair of chromosomes, use only five beads. 3. now model the replication of the chromosomes. make a drawing of your model in the space below. part b: meiosis i during meiosis i, the cell divides into two diploid daughter cells. 4. pair up the chromosomes to form tetrads. use the longer tetrad to model crossing-over. make a drawing of the tetrads in the space below. 5. line up the tetrads across the center of your “cell.” then model what happens to the chromosomes during anaphase i. 6. divide the cell into two daughter cells. use the space below to make a drawing of the result. part c: meiosis ii during meiosis ii, the daughter cells divide again. 7. line up the chromosomes at the center of the first cell, one above the other. separate the chromatids in each chromosome and move them to opposite sides of the cell. 8. repeat step 7 for the second cell. 9. divide each cell into two daughter cells. use the space below to make a drawing of the four haploid cells

2. does the given statement describe a step in the transformation of the graph off(x) = x2 that would result in the graph of g(x) = -5x + 2)? a. the parent function is reflected across the x-axis. o yes nob. the parent function is stretched by a factor of 5. yes noonc. the parent function is translated 2 units up.o yes