Please hel m I AM PRACTICALLY BEGGING AT THIS POINT ITS DUR IN 30 MINUTES c1 x V1 = C2 x V2 question 1).

To make a 95 ml solution at a concentration of 35 mM, what volume of a 400 mM solution do you need to dilute?

2 .

What would the concentration of a 200 ml solution be, if 20 ml of a 0.5 M stock solution was diluted?

question 3:

To make a 4 L solution at a concentration of 375 mM, what volume of a 5 M solution do you need to dilute?

question 4 :

650 ml of a 2.5 M solution is diluted to a final concentration of 0.75 M, what is the volume of the diluted solution?

question 5 :

What would the concentration of a 600 ml solution be, if 45 ml of a 750 mM stock solution was diluted?

please add explanationi

answer: - few nutrients

high pressure

low temperatures

explanation: 1. few nutrients:   open-ocean zone is located way far from the land, which is the main source of the essential nutrients.2. high pressure: pressure increases by 1 atmosphere for every 10 meters increase in depth.3. ample sunlight: a large fraction of the sunlight is reflected back to the atmosphere from the sea surface. 4. varying salinity: below the thermocline, the water is isolated from the atmosphere so the salinity remains stable over the year.5. low temperatures:   the temperature of open-ocean zone ranges from a low of -2°c to an average of 17°c

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.

interphase

the period of cell growth when the cell synthesizes new molecules and organelles. the cell is not dividing and it constitutes the majority of the time spent in the cell cycle

prophase

changes occur in the nucleus and cytoplasm. the chromatin condenses to form structures (sister chromatids) visible with a light microscope and the mitotic spindle begins to form, but the nucleus is still in tact

prometaphase

the nuclear envelope fragments and the spindle microtubules attach to the kinetochores of the sister chromatids

metaphase

all the cell's duplicated chromosomes are lined up at an imaginary plane equidistant between the poles of the mitotic spindle

anaphase

begins when sister chromatids separate from each other and ending when a complete set of daughter chromosomes arrives at each of the two poles of the cell

telophase

the daughter nuclei form at the two poles of a cell

cytokinesis

the division of a cytoplasm to form two separate daughter cells. usually occurs during telophase during mitosis. this and mitosis make up to mitotic (m) phase of the cell cycle

protistas excret ethanol used in the manufacture of vinegar