What property of water causes materials to dissolve? polarity What is a substance that hates water called? a substance that hates or “fears” water is called. hydrophobia. Which property of water allows bugs to walk on water? surface tension Are water striders dangerous? Water Striders are considered beneficial because they prey on other insects including […]
What are the 2 types of supernovae?
What are the 2 types of supernovae? There are two basic types of supernova, called (boringly enough) “Type I” and “Type II”. Type I: supernovae WITHOUT hydrogen absorption lines in their spectrum. Type II: supernovae WITH hydrogen absorption lines in their spectrum. What does a Type 1 supernova leave behind? Type I (especially Ia) supernova […]
What do different ship horns mean?
What do different ship horns mean? One short blast = Changing course to starboard (right) Two short blasts = Changing course to port (left) Three short blasts = Operating in reverse. Five short blasts = Danger signal. Two long blasts = Leaving berth. What does it mean when a ship lists? “Listing” is a nautical […]
What are the condition for system to be in mechanical equilibrium?
What are the condition for system to be in mechanical equilibrium? For an object to be in equilibrium, it must be experiencing no acceleration. This means that both the net force and the net torque on the object must be zero. Here we will discuss the first condition, that of zero net force. What two […]
Which techniques is used to determine the grain size of polycrystalline material?
Which techniques is used to determine the grain size of polycrystalline material? Explanation: Positron annihilation technique is used to measure resistivity after quenching, Thermal imaging this technique is used to measure the concentration of vacancy to determine the activation energy for its formation and Photo micrographic technique is used to determine the grain size of […]
Why does my body lose heat so fast?
Does mass change during chemical reaction?
Does mass change during chemical reaction? Matter cannot be created or destroyed in chemical reactions. This is the law of conservation of mass. In every chemical reaction, the same mass of matter must end up in the products as started in the reactants. Balanced chemical equations show that mass is conserved in chemical reactions. Is […]
Which type of battery is best for smartphone?
Which type of battery is best for smartphone? Lithium ion batteries Which phone has highest battery life? Best battery life phone 2021 Xiaomi Mi 10T Pro. Capacity: 5,000mAh | Official life: not stated | Charging power: 33W. Samsung Galaxy S21 Ultra. Capacity: 5,000mAh | Official life: not stated | Charging power: 25W wired / 15W […]
How do you calculate tube thickness in heat exchanger?
Which statement is true about skipping meals?
Which statement is true about skipping meals? D. Skipping meals is a good diet strategy that can help you lose weight by slowing down your metabolism. Skipping meals puts your body in starvation mode and slows down your metabolism is a true statement about skipping metals. What are the three keys to good health? Three […]